90711400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:419

約数の個数: 96

約数和(自身を含む): 229672800

約数和(自身を除く): 138961400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 139, 200, 251, 260, 278, 325, 502, 520, 556, 650, 695, 1004, 1112, 1255, 1300, 1390, 1807, 2008, 2510, 2600, 2780, 3263, 3475, 3614, 5020, 5560, 6275, 6526, 6950, 7228, 9035, 10040, 12550, 13052, 13900, 14456, 16315, 18070, 25100, 26104, 27800, 32630, 34889, 36140, 45175, 50200, 65260, 69778, 72280, 81575, 90350, 130520, 139556, 163150, 174445, 180700, 279112, 326300, 348890, 361400, 453557, 652600, 697780, 872225, 907114, 1395560, 1744450, 1814228, 2267785, 3488900, 3628456, 4535570, 6977800, 9071140, 11338925, 18142280, 22677850, 45355700, 90711400]

約数ペア:

[(1, 90711400), (2, 45355700), (4, 22677850), (5, 18142280), (8, 11338925), (10, 9071140), (13, 6977800), (20, 4535570), (25, 3628456), (26, 3488900), (40, 2267785), (50, 1814228), (52, 1744450), (65, 1395560), (100, 907114), (104, 872225), (130, 697780), (139, 652600), (200, 453557), (251, 361400), (260, 348890), (278, 326300), (325, 279112), (502, 180700), (520, 174445), (556, 163150), (650, 139556), (695, 130520), (1004, 90350), (1112, 81575), (1255, 72280), (1300, 69778), (1390, 65260), (1807, 50200), (2008, 45175), (2510, 36140), (2600, 34889), (2780, 32630), (3263, 27800), (3475, 26104), (3614, 25100), (5020, 18070), (5560, 16315), (6275, 14456), (6526, 13900), (6950, 13052), (7228, 12550), (9035, 10040)]