157217620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1122983}}^1$

素因数の和:1122999

約数の個数: 24

約数和(自身を含む): 377322624

約数和(自身を除く): 220105004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1122983, 2245966, 4491932, 5614915, 7860881, 11229830, 15721762, 22459660, 31443524, 39304405, 78608810, 157217620]

約数ペア:

[(1, 157217620), (2, 78608810), (4, 39304405), (5, 31443524), (7, 22459660), (10, 15721762), (14, 11229830), (20, 7860881), (28, 5614915), (35, 4491932), (70, 2245966), (140, 1122983)]