207788990

素因数分解:

$2^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{239}}^1\times {\mathrm{383}}^1$

素因数の和:856

約数の個数: 32

約数和(自身を含む): 378224640

約数和(自身を除く): 170435650

約数列:

[1, 2, 5, 10, 227, 239, 383, 454, 478, 766, 1135, 1195, 1915, 2270, 2390, 3830, 54253, 86941, 91537, 108506, 173882, 183074, 271265, 434705, 457685, 542530, 869410, 915370, 20778899, 41557798, 103894495, 207788990]

約数ペア:

[(1, 207788990), (2, 103894495), (5, 41557798), (10, 20778899), (227, 915370), (239, 869410), (383, 542530), (454, 457685), (478, 434705), (766, 271265), (1135, 183074), (1195, 173882), (1915, 108506), (2270, 91537), (2390, 86941), (3830, 54253)]