636763960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{997}}^1\times {\mathrm{2281}}^1$

素因数の和:3296

約数の個数: 64

約数和(自身を含む): 1639753920

約数和(自身を除く): 1002989960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 997, 1994, 2281, 3988, 4562, 4985, 6979, 7976, 9124, 9970, 11405, 13958, 15967, 18248, 19940, 22810, 27916, 31934, 34895, 39880, 45620, 55832, 63868, 69790, 79835, 91240, 127736, 139580, 159670, 279160, 319340, 638680, 2274157, 4548314, 9096628, 11370785, 15919099, 18193256, 22741570, 31838198, 45483140, 63676396, 79595495, 90966280, 127352792, 159190990, 318381980, 636763960]

約数ペア:

[(1, 636763960), (2, 318381980), (4, 159190990), (5, 127352792), (7, 90966280), (8, 79595495), (10, 63676396), (14, 45483140), (20, 31838198), (28, 22741570), (35, 18193256), (40, 15919099), (56, 11370785), (70, 9096628), (140, 4548314), (280, 2274157), (997, 638680), (1994, 319340), (2281, 279160), (3988, 159670), (4562, 139580), (4985, 127736), (6979, 91240), (7976, 79835), (9124, 69790), (9970, 63868), (11405, 55832), (13958, 45620), (15967, 39880), (18248, 34895), (19940, 31934), (22810, 27916)]