28810250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 62629632

約数和(自身を除く): 33819382

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 101, 125, 163, 175, 202, 250, 326, 350, 505, 707, 815, 875, 1010, 1141, 1414, 1630, 1750, 2282, 2525, 3535, 4075, 5050, 5705, 7070, 8150, 11410, 12625, 16463, 17675, 20375, 25250, 28525, 32926, 35350, 40750, 57050, 82315, 88375, 115241, 142625, 164630, 176750, 230482, 285250, 411575, 576205, 823150, 1152410, 2057875, 2881025, 4115750, 5762050, 14405125, 28810250]

約数ペア:

[(1, 28810250), (2, 14405125), (5, 5762050), (7, 4115750), (10, 2881025), (14, 2057875), (25, 1152410), (35, 823150), (50, 576205), (70, 411575), (101, 285250), (125, 230482), (163, 176750), (175, 164630), (202, 142625), (250, 115241), (326, 88375), (350, 82315), (505, 57050), (707, 40750), (815, 35350), (875, 32926), (1010, 28525), (1141, 25250), (1414, 20375), (1630, 17675), (1750, 16463), (2282, 12625), (2525, 11410), (3535, 8150), (4075, 7070), (5050, 5705)]