128260900

素因数分解:

$2^2\times 5^2\times {\mathrm{107}}^1\times {\mathrm{11987}}^1$

素因数の和:12108

約数の個数: 36

約数和(自身を含む): 280950768

約数和(自身を除く): 152689868

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 107, 214, 428, 535, 1070, 2140, 2675, 5350, 10700, 11987, 23974, 47948, 59935, 119870, 239740, 299675, 599350, 1198700, 1282609, 2565218, 5130436, 6413045, 12826090, 25652180, 32065225, 64130450, 128260900]

約数ペア:

[(1, 128260900), (2, 64130450), (4, 32065225), (5, 25652180), (10, 12826090), (20, 6413045), (25, 5130436), (50, 2565218), (100, 1282609), (107, 1198700), (214, 599350), (428, 299675), (535, 239740), (1070, 119870), (2140, 59935), (2675, 47948), (5350, 23974), (10700, 11987)]