156961199020

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{49987643}}^1$

素因数の和:49987809

約数の個数: 24

約数和(自身を含む): 331718005584

約数和(自身を除く): 174756806564

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 49987643, 99975286, 199950572, 249938215, 499876430, 999752860, 7848059951, 15696119902, 31392239804, 39240299755, 78480599510, 156961199020]

約数ペア:

[(1, 156961199020), (2, 78480599510), (4, 39240299755), (5, 31392239804), (10, 15696119902), (20, 7848059951), (157, 999752860), (314, 499876430), (628, 249938215), (785, 199950572), (1570, 99975286), (3140, 49987643)]