205598960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5171}}^1$

素因数の和:5262

約数の個数: 80

約数和(自身を含む): 554107392

約数和(自身を除く): 348508432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1988, 2485, 2840, 3976, 4970, 5171, 5680, 7952, 9940, 10342, 19880, 20684, 25855, 36197, 39760, 41368, 51710, 72394, 82736, 103420, 144788, 180985, 206840, 289576, 361970, 367141, 413680, 579152, 723940, 734282, 1447880, 1468564, 1835705, 2569987, 2895760, 2937128, 3671410, 5139974, 5874256, 7342820, 10279948, 12849935, 14685640, 20559896, 25699870, 29371280, 41119792, 51399740, 102799480, 205598960]

約数ペア:

[(1, 205598960), (2, 102799480), (4, 51399740), (5, 41119792), (7, 29371280), (8, 25699870), (10, 20559896), (14, 14685640), (16, 12849935), (20, 10279948), (28, 7342820), (35, 5874256), (40, 5139974), (56, 3671410), (70, 2937128), (71, 2895760), (80, 2569987), (112, 1835705), (140, 1468564), (142, 1447880), (280, 734282), (284, 723940), (355, 579152), (497, 413680), (560, 367141), (568, 361970), (710, 289576), (994, 206840), (1136, 180985), (1420, 144788), (1988, 103420), (2485, 82736), (2840, 72394), (3976, 51710), (4970, 41368), (5171, 39760), (5680, 36197), (7952, 25855), (9940, 20684), (10342, 19880)]