396390400

素因数分解:

$2^{12}\times 5^2\times 7^2\times {\mathrm{79}}^1$

素因数の和:127

約数の個数: 234

約数和(自身を含む): 1157879760

約数和(自身を除く): 761489360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 79, 80, 98, 100, 112, 128, 140, 158, 160, 175, 196, 200, 224, 245, 256, 280, 316, 320, 350, 392, 395, 400, 448, 490, 512, 553, 560, 632, 640, 700, 784, 790, 800, 896, 980, 1024, 1106, 1120, 1225, 1264, 1280, 1400, 1568, 1580, 1600, 1792, 1960, 1975, 2048, 2212, 2240, 2450, 2528, 2560, 2765, 2800, 3136, 3160, 3200, 3584, 3871, 3920, 3950, 4096, 4424, 4480, 4900, 5056, 5120, 5530, 5600, 6272, 6320, 6400, 7168, 7742, 7840, 7900, 8848, 8960, 9800, 10112, 10240, 11060, 11200, 12544, 12640, 12800, 13825, 14336, 15484, 15680, 15800, 17696, 17920, 19355, 19600, 20224, 20480, 22120, 22400, 25088, 25280, 25600, 27650, 28672, 30968, 31360, 31600, 35392, 35840, 38710, 39200, 40448, 44240, 44800, 50176, 50560, 51200, 55300, 61936, 62720, 63200, 70784, 71680, 77420, 78400, 80896, 88480, 89600, 96775, 100352, 101120, 102400, 110600, 123872, 125440, 126400, 141568, 143360, 154840, 156800, 161792, 176960, 179200, 193550, 200704, 202240, 221200, 247744, 250880, 252800, 283136, 309680, 313600, 323584, 353920, 358400, 387100, 404480, 442400, 495488, 501760, 505600, 566272, 619360, 627200, 707840, 716800, 774200, 808960, 884800, 990976, 1003520, 1011200, 1132544, 1238720, 1254400, 1415680, 1548400, 1617920, 1769600, 1981952, 2022400, 2265088, 2477440, 2508800, 2831360, 3096800, 3539200, 3963904, 4044800, 4954880, 5017600, 5662720, 6193600, 7078400, 7927808, 8089600, 9909760, 11325440, 12387200, 14156800, 15855616, 19819520, 24774400, 28313600, 39639040, 49548800, 56627200, 79278080, 99097600, 198195200, 396390400]

約数ペア:

[(1, 396390400), (2, 198195200), (4, 99097600), (5, 79278080), (7, 56627200), (8, 49548800), (10, 39639040), (14, 28313600), (16, 24774400), (20, 19819520), (25, 15855616), (28, 14156800), (32, 12387200), (35, 11325440), (40, 9909760), (49, 8089600), (50, 7927808), (56, 7078400), (64, 6193600), (70, 5662720), (79, 5017600), (80, 4954880), (98, 4044800), (100, 3963904), (112, 3539200), (128, 3096800), (140, 2831360), (158, 2508800), (160, 2477440), (175, 2265088), (196, 2022400), (200, 1981952), (224, 1769600), (245, 1617920), (256, 1548400), (280, 1415680), (316, 1254400), (320, 1238720), (350, 1132544), (392, 1011200), (395, 1003520), (400, 990976), (448, 884800), (490, 808960), (512, 774200), (553, 716800), (560, 707840), (632, 627200), (640, 619360), (700, 566272), (784, 505600), (790, 501760), (800, 495488), (896, 442400), (980, 404480), (1024, 387100), (1106, 358400), (1120, 353920), (1225, 323584), (1264, 313600), (1280, 309680), (1400, 283136), (1568, 252800), (1580, 250880), (1600, 247744), (1792, 221200), (1960, 202240), (1975, 200704), (2048, 193550), (2212, 179200), (2240, 176960), (2450, 161792), (2528, 156800), (2560, 154840), (2765, 143360), (2800, 141568), (3136, 126400), (3160, 125440), (3200, 123872), (3584, 110600), (3871, 102400), (3920, 101120), (3950, 100352), (4096, 96775), (4424, 89600), (4480, 88480), (4900, 80896), (5056, 78400), (5120, 77420), (5530, 71680), (5600, 70784), (6272, 63200), (6320, 62720), (6400, 61936), (7168, 55300), (7742, 51200), (7840, 50560), (7900, 50176), (8848, 44800), (8960, 44240), (9800, 40448), (10112, 39200), (10240, 38710), (11060, 35840), (11200, 35392), (12544, 31600), (12640, 31360), (12800, 30968), (13825, 28672), (14336, 27650), (15484, 25600), (15680, 25280), (15800, 25088), (17696, 22400), (17920, 22120), (19355, 20480), (19600, 20224)]