2143340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3457}}^1$

素因数の和:3497

約数の個数: 24

約数和(自身を含む): 4647552

約数和(自身を除く): 2504212

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 3457, 6914, 13828, 17285, 34570, 69140, 107167, 214334, 428668, 535835, 1071670, 2143340]

約数ペア:

[(1, 2143340), (2, 1071670), (4, 535835), (5, 428668), (10, 214334), (20, 107167), (31, 69140), (62, 34570), (124, 17285), (155, 13828), (310, 6914), (620, 3457)]