74282140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{60887}}^1$

素因数の和:60957

約数の個数: 24

約数和(自身を含む): 158552352

約数和(自身を除く): 84270212

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 60887, 121774, 243548, 304435, 608870, 1217740, 3714107, 7428214, 14856428, 18570535, 37141070, 74282140]

約数ペア:

[(1, 74282140), (2, 37141070), (4, 18570535), (5, 14856428), (10, 7428214), (20, 3714107), (61, 1217740), (122, 608870), (244, 304435), (305, 243548), (610, 121774), (1220, 60887)]