28000743680

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{571}}^1$

素因数の和:1033

約数の個数: 288

約数和(自身を含む): 82889334528

約数和(自身を除く): 54888590848

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 256, 260, 280, 320, 364, 416, 421, 448, 455, 520, 560, 571, 640, 728, 832, 842, 896, 910, 1040, 1120, 1142, 1280, 1456, 1664, 1684, 1792, 1820, 2080, 2105, 2240, 2284, 2855, 2912, 2947, 3328, 3368, 3640, 3997, 4160, 4210, 4480, 4568, 5473, 5710, 5824, 5894, 6736, 7280, 7423, 7994, 8320, 8420, 8960, 9136, 10946, 11420, 11648, 11788, 13472, 14560, 14735, 14846, 15988, 16640, 16840, 18272, 19985, 21892, 22840, 23296, 23576, 26944, 27365, 29120, 29470, 29692, 31976, 33680, 36544, 37115, 38311, 39970, 43784, 45680, 47152, 51961, 53888, 54730, 58240, 58940, 59384, 63952, 67360, 73088, 74230, 76622, 79940, 87568, 91360, 94304, 103922, 107776, 109460, 116480, 117880, 118768, 127904, 134720, 146176, 148460, 153244, 159880, 175136, 182720, 188608, 191555, 207844, 218920, 235760, 237536, 240391, 255808, 259805, 269440, 296920, 306488, 319760, 350272, 365440, 377216, 383110, 415688, 437840, 471520, 475072, 480782, 511616, 519610, 538880, 593840, 612976, 639520, 700544, 730880, 754432, 766220, 831376, 875680, 943040, 950144, 961564, 1023232, 1039220, 1187680, 1201955, 1225952, 1279040, 1401088, 1532440, 1662752, 1682737, 1751360, 1886080, 1900288, 1923128, 2078440, 2375360, 2403910, 2451904, 2558080, 3064880, 3125083, 3325504, 3365474, 3502720, 3772160, 3846256, 4156880, 4750720, 4807820, 4903808, 5116160, 6129760, 6250166, 6651008, 6730948, 7005440, 7692512, 8313760, 8413685, 9501440, 9615640, 9807616, 12259520, 12500332, 13302016, 13461896, 15385024, 15625415, 16627520, 16827370, 19231280, 21875581, 24519040, 25000664, 26923792, 30770048, 31250830, 33255040, 33654740, 38462560, 43751162, 49038080, 50001328, 53847584, 61540096, 62501660, 66510080, 67309480, 76925120, 87502324, 100002656, 107695168, 109377905, 125003320, 134618960, 153850240, 175004648, 200005312, 215390336, 218755810, 250006640, 269237920, 307700480, 350009296, 400010624, 430780672, 437511620, 500013280, 538475840, 700018592, 800021248, 875023240, 1000026560, 1076951680, 1400037184, 1750046480, 2000053120, 2153903360, 2800074368, 3500092960, 4000106240, 5600148736, 7000185920, 14000371840, 28000743680]

約数ペア:

[(1, 28000743680), (2, 14000371840), (4, 7000185920), (5, 5600148736), (7, 4000106240), (8, 3500092960), (10, 2800074368), (13, 2153903360), (14, 2000053120), (16, 1750046480), (20, 1400037184), (26, 1076951680), (28, 1000026560), (32, 875023240), (35, 800021248), (40, 700018592), (52, 538475840), (56, 500013280), (64, 437511620), (65, 430780672), (70, 400010624), (80, 350009296), (91, 307700480), (104, 269237920), (112, 250006640), (128, 218755810), (130, 215390336), (140, 200005312), (160, 175004648), (182, 153850240), (208, 134618960), (224, 125003320), (256, 109377905), (260, 107695168), (280, 100002656), (320, 87502324), (364, 76925120), (416, 67309480), (421, 66510080), (448, 62501660), (455, 61540096), (520, 53847584), (560, 50001328), (571, 49038080), (640, 43751162), (728, 38462560), (832, 33654740), (842, 33255040), (896, 31250830), (910, 30770048), (1040, 26923792), (1120, 25000664), (1142, 24519040), (1280, 21875581), (1456, 19231280), (1664, 16827370), (1684, 16627520), (1792, 15625415), (1820, 15385024), (2080, 13461896), (2105, 13302016), (2240, 12500332), (2284, 12259520), (2855, 9807616), (2912, 9615640), (2947, 9501440), (3328, 8413685), (3368, 8313760), (3640, 7692512), (3997, 7005440), (4160, 6730948), (4210, 6651008), (4480, 6250166), (4568, 6129760), (5473, 5116160), (5710, 4903808), (5824, 4807820), (5894, 4750720), (6736, 4156880), (7280, 3846256), (7423, 3772160), (7994, 3502720), (8320, 3365474), (8420, 3325504), (8960, 3125083), (9136, 3064880), (10946, 2558080), (11420, 2451904), (11648, 2403910), (11788, 2375360), (13472, 2078440), (14560, 1923128), (14735, 1900288), (14846, 1886080), (15988, 1751360), (16640, 1682737), (16840, 1662752), (18272, 1532440), (19985, 1401088), (21892, 1279040), (22840, 1225952), (23296, 1201955), (23576, 1187680), (26944, 1039220), (27365, 1023232), (29120, 961564), (29470, 950144), (29692, 943040), (31976, 875680), (33680, 831376), (36544, 766220), (37115, 754432), (38311, 730880), (39970, 700544), (43784, 639520), (45680, 612976), (47152, 593840), (51961, 538880), (53888, 519610), (54730, 511616), (58240, 480782), (58940, 475072), (59384, 471520), (63952, 437840), (67360, 415688), (73088, 383110), (74230, 377216), (76622, 365440), (79940, 350272), (87568, 319760), (91360, 306488), (94304, 296920), (103922, 269440), (107776, 259805), (109460, 255808), (116480, 240391), (117880, 237536), (118768, 235760), (127904, 218920), (134720, 207844), (146176, 191555), (148460, 188608), (153244, 182720), (159880, 175136)]