157499020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1124993}}^1$

素因数の和:1125009

約数の個数: 24

約数和(自身を含む): 377997984

約数和(自身を除く): 220498964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1124993, 2249986, 4499972, 5624965, 7874951, 11249930, 15749902, 22499860, 31499804, 39374755, 78749510, 157499020]

約数ペア:

[(1, 157499020), (2, 78749510), (4, 39374755), (5, 31499804), (7, 22499860), (10, 15749902), (14, 11249930), (20, 7874951), (28, 5624965), (35, 4499972), (70, 2249986), (140, 1124993)]