187698980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1340707}}^1$

素因数の和:1340723

約数の個数: 24

約数和(自身を含む): 450477888

約数和(自身を除く): 262778908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1340707, 2681414, 5362828, 6703535, 9384949, 13407070, 18769898, 26814140, 37539796, 46924745, 93849490, 187698980]

約数ペア:

[(1, 187698980), (2, 93849490), (4, 46924745), (5, 37539796), (7, 26814140), (10, 18769898), (14, 13407070), (20, 9384949), (28, 6703535), (35, 5362828), (70, 2681414), (140, 1340707)]