253914440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{6689}}^1$

素因数の和:6786

約数の個数: 64

約数和(自身を含む): 623775600

約数和(自身を除く): 369861160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 104, 130, 146, 260, 292, 365, 520, 584, 730, 949, 1460, 1898, 2920, 3796, 4745, 6689, 7592, 9490, 13378, 18980, 26756, 33445, 37960, 53512, 66890, 86957, 133780, 173914, 267560, 347828, 434785, 488297, 695656, 869570, 976594, 1739140, 1953188, 2441485, 3478280, 3906376, 4882970, 6347861, 9765940, 12695722, 19531880, 25391444, 31739305, 50782888, 63478610, 126957220, 253914440]

約数ペア:

[(1, 253914440), (2, 126957220), (4, 63478610), (5, 50782888), (8, 31739305), (10, 25391444), (13, 19531880), (20, 12695722), (26, 9765940), (40, 6347861), (52, 4882970), (65, 3906376), (73, 3478280), (104, 2441485), (130, 1953188), (146, 1739140), (260, 976594), (292, 869570), (365, 695656), (520, 488297), (584, 434785), (730, 347828), (949, 267560), (1460, 173914), (1898, 133780), (2920, 86957), (3796, 66890), (4745, 53512), (6689, 37960), (7592, 33445), (9490, 26756), (13378, 18980)]