42721900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{557}}^1$

素因数の和:643

約数の個数: 72

約数和(自身を含む): 101712240

約数和(自身を除く): 58990340

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 59, 65, 100, 118, 130, 236, 260, 295, 325, 557, 590, 650, 767, 1114, 1180, 1300, 1475, 1534, 2228, 2785, 2950, 3068, 3835, 5570, 5900, 7241, 7670, 11140, 13925, 14482, 15340, 19175, 27850, 28964, 32863, 36205, 38350, 55700, 65726, 72410, 76700, 131452, 144820, 164315, 181025, 328630, 362050, 427219, 657260, 724100, 821575, 854438, 1643150, 1708876, 2136095, 3286300, 4272190, 8544380, 10680475, 21360950, 42721900]

約数ペア:

[(1, 42721900), (2, 21360950), (4, 10680475), (5, 8544380), (10, 4272190), (13, 3286300), (20, 2136095), (25, 1708876), (26, 1643150), (50, 854438), (52, 821575), (59, 724100), (65, 657260), (100, 427219), (118, 362050), (130, 328630), (236, 181025), (260, 164315), (295, 144820), (325, 131452), (557, 76700), (590, 72410), (650, 65726), (767, 55700), (1114, 38350), (1180, 36205), (1300, 32863), (1475, 28964), (1534, 27850), (2228, 19175), (2785, 15340), (2950, 14482), (3068, 13925), (3835, 11140), (5570, 7670), (5900, 7241)]