161055580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1150397}}^1$

素因数の和:1150413

約数の個数: 24

約数和(自身を含む): 386533728

約数和(自身を除く): 225478148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1150397, 2300794, 4601588, 5751985, 8052779, 11503970, 16105558, 23007940, 32211116, 40263895, 80527790, 161055580]

約数ペア:

[(1, 161055580), (2, 80527790), (4, 40263895), (5, 32211116), (7, 23007940), (10, 16105558), (14, 11503970), (20, 8052779), (28, 5751985), (35, 4601588), (70, 2300794), (140, 1150397)]