157811780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1127227}}^1$

素因数の和:1127243

約数の個数: 24

約数和(自身を含む): 378748608

約数和(自身を除く): 220936828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1127227, 2254454, 4508908, 5636135, 7890589, 11272270, 15781178, 22544540, 31562356, 39452945, 78905890, 157811780]

約数ペア:

[(1, 157811780), (2, 78905890), (4, 39452945), (5, 31562356), (7, 22544540), (10, 15781178), (14, 11272270), (20, 7890589), (28, 5636135), (35, 4508908), (70, 2254454), (140, 1127227)]