31341380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31981}}^1$

素因数の和:32004

約数の個数: 36

約数和(自身を含む): 76564908

約数和(自身を除く): 45223528

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 31981, 63962, 127924, 159905, 223867, 319810, 447734, 639620, 895468, 1119335, 1567069, 2238670, 3134138, 4477340, 6268276, 7835345, 15670690, 31341380]

約数ペア:

[(1, 31341380), (2, 15670690), (4, 7835345), (5, 6268276), (7, 4477340), (10, 3134138), (14, 2238670), (20, 1567069), (28, 1119335), (35, 895468), (49, 639620), (70, 447734), (98, 319810), (140, 223867), (196, 159905), (245, 127924), (490, 63962), (980, 31981)]