667540225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{191}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 925655040

約数和(自身を除く): 258114815

約数列:

[1, 5, 11, 25, 55, 71, 179, 191, 275, 355, 781, 895, 955, 1775, 1969, 2101, 3905, 4475, 4775, 9845, 10505, 12709, 13561, 19525, 34189, 49225, 52525, 63545, 67805, 139799, 149171, 170945, 317725, 339025, 376079, 698995, 745855, 854725, 1880395, 2427419, 3494975, 3729275, 9401975, 12137095, 26701609, 60685475, 133508045, 667540225]

約数ペア:

[(1, 667540225), (5, 133508045), (11, 60685475), (25, 26701609), (55, 12137095), (71, 9401975), (179, 3729275), (191, 3494975), (275, 2427419), (355, 1880395), (781, 854725), (895, 745855), (955, 698995), (1775, 376079), (1969, 339025), (2101, 317725), (3905, 170945), (4475, 149171), (4775, 139799), (9845, 67805), (10505, 63545), (12709, 52525), (13561, 49225), (19525, 34189)]