208050820

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{68891}}^1$

素因数の和:69051

約数の個数: 24

約数和(自身を含む): 439806528

約数和(自身を除く): 231755708

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 68891, 137782, 275564, 344455, 688910, 1377820, 10402541, 20805082, 41610164, 52012705, 104025410, 208050820]

約数ペア:

[(1, 208050820), (2, 104025410), (4, 52012705), (5, 41610164), (10, 20805082), (20, 10402541), (151, 1377820), (302, 688910), (604, 344455), (755, 275564), (1510, 137782), (3020, 68891)]