1657698980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11840707}}^1$

素因数の和:11840723

約数の個数: 24

約数和(自身を含む): 3978477888

約数和(自身を除く): 2320778908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 11840707, 23681414, 47362828, 59203535, 82884949, 118407070, 165769898, 236814140, 331539796, 414424745, 828849490, 1657698980]

約数ペア:

[(1, 1657698980), (2, 828849490), (4, 414424745), (5, 331539796), (7, 236814140), (10, 165769898), (14, 118407070), (20, 82884949), (28, 59203535), (35, 47362828), (70, 23681414), (140, 11840707)]