1278620200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:253

約数の個数: 288

約数和(自身を含む): 3716949600

約数和(自身を除く): 2438329400

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 19, 20, 22, 25, 26, 38, 40, 44, 50, 52, 55, 65, 76, 88, 95, 100, 104, 110, 130, 143, 152, 169, 181, 190, 200, 209, 220, 247, 260, 275, 286, 325, 338, 362, 380, 418, 440, 475, 494, 520, 550, 572, 650, 676, 715, 724, 760, 836, 845, 905, 950, 988, 1045, 1100, 1144, 1235, 1300, 1352, 1430, 1448, 1672, 1690, 1810, 1859, 1900, 1976, 1991, 2090, 2200, 2353, 2470, 2600, 2717, 2860, 3211, 3380, 3439, 3575, 3620, 3718, 3800, 3982, 4180, 4225, 4525, 4706, 4940, 5225, 5434, 5720, 6175, 6422, 6760, 6878, 7150, 7240, 7436, 7964, 8360, 8450, 9050, 9295, 9412, 9880, 9955, 10450, 10868, 11765, 12350, 12844, 13585, 13756, 14300, 14872, 15928, 16055, 16900, 17195, 18100, 18590, 18824, 19910, 20900, 21736, 23530, 24700, 25688, 25883, 27170, 27512, 28600, 30589, 32110, 33800, 34390, 35321, 36200, 37180, 37829, 39820, 41800, 44707, 46475, 47060, 49400, 49775, 51766, 54340, 58825, 61178, 64220, 67925, 68780, 70642, 74360, 75658, 79640, 80275, 85975, 89414, 92950, 94120, 99550, 103532, 108680, 117650, 122356, 128440, 129415, 135850, 137560, 141284, 151316, 152945, 160550, 171950, 176605, 178828, 185900, 189145, 199100, 207064, 223535, 235300, 244712, 258830, 271700, 282568, 302632, 305890, 321100, 336479, 343900, 353210, 357656, 371800, 378290, 398200, 447070, 470600, 491777, 517660, 543400, 581191, 611780, 642200, 647075, 672958, 687800, 706420, 756580, 764725, 883025, 894140, 945725, 983554, 1035320, 1117675, 1162382, 1223560, 1294150, 1345916, 1412840, 1513160, 1529450, 1682395, 1766050, 1788280, 1891450, 1967108, 2235350, 2324764, 2458885, 2588300, 2691832, 2905955, 3058900, 3364790, 3532100, 3782900, 3934216, 4470700, 4649528, 4917770, 5176600, 5811910, 6117800, 6393101, 6729580, 7064200, 7565800, 8411975, 8941400, 9835540, 11623820, 12294425, 12786202, 13459160, 14529775, 16823950, 19671080, 23247640, 24588850, 25572404, 29059550, 31965505, 33647900, 49177700, 51144808, 58119100, 63931010, 67295800, 98355400, 116238200, 127862020, 159827525, 255724040, 319655050, 639310100, 1278620200]

約数ペア:

[(1, 1278620200), (2, 639310100), (4, 319655050), (5, 255724040), (8, 159827525), (10, 127862020), (11, 116238200), (13, 98355400), (19, 67295800), (20, 63931010), (22, 58119100), (25, 51144808), (26, 49177700), (38, 33647900), (40, 31965505), (44, 29059550), (50, 25572404), (52, 24588850), (55, 23247640), (65, 19671080), (76, 16823950), (88, 14529775), (95, 13459160), (100, 12786202), (104, 12294425), (110, 11623820), (130, 9835540), (143, 8941400), (152, 8411975), (169, 7565800), (181, 7064200), (190, 6729580), (200, 6393101), (209, 6117800), (220, 5811910), (247, 5176600), (260, 4917770), (275, 4649528), (286, 4470700), (325, 3934216), (338, 3782900), (362, 3532100), (380, 3364790), (418, 3058900), (440, 2905955), (475, 2691832), (494, 2588300), (520, 2458885), (550, 2324764), (572, 2235350), (650, 1967108), (676, 1891450), (715, 1788280), (724, 1766050), (760, 1682395), (836, 1529450), (845, 1513160), (905, 1412840), (950, 1345916), (988, 1294150), (1045, 1223560), (1100, 1162382), (1144, 1117675), (1235, 1035320), (1300, 983554), (1352, 945725), (1430, 894140), (1448, 883025), (1672, 764725), (1690, 756580), (1810, 706420), (1859, 687800), (1900, 672958), (1976, 647075), (1991, 642200), (2090, 611780), (2200, 581191), (2353, 543400), (2470, 517660), (2600, 491777), (2717, 470600), (2860, 447070), (3211, 398200), (3380, 378290), (3439, 371800), (3575, 357656), (3620, 353210), (3718, 343900), (3800, 336479), (3982, 321100), (4180, 305890), (4225, 302632), (4525, 282568), (4706, 271700), (4940, 258830), (5225, 244712), (5434, 235300), (5720, 223535), (6175, 207064), (6422, 199100), (6760, 189145), (6878, 185900), (7150, 178828), (7240, 176605), (7436, 171950), (7964, 160550), (8360, 152945), (8450, 151316), (9050, 141284), (9295, 137560), (9412, 135850), (9880, 129415), (9955, 128440), (10450, 122356), (10868, 117650), (11765, 108680), (12350, 103532), (12844, 99550), (13585, 94120), (13756, 92950), (14300, 89414), (14872, 85975), (15928, 80275), (16055, 79640), (16900, 75658), (17195, 74360), (18100, 70642), (18590, 68780), (18824, 67925), (19910, 64220), (20900, 61178), (21736, 58825), (23530, 54340), (24700, 51766), (25688, 49775), (25883, 49400), (27170, 47060), (27512, 46475), (28600, 44707), (30589, 41800), (32110, 39820), (33800, 37829), (34390, 37180), (35321, 36200)]