30997340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{140897}}^1$

素因数の和:140917

約数の個数: 24

約数和(自身を含む): 71012592

約数和(自身を除く): 40015252

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 140897, 281794, 563588, 704485, 1408970, 1549867, 2817940, 3099734, 6199468, 7749335, 15498670, 30997340]

約数ペア:

[(1, 30997340), (2, 15498670), (4, 7749335), (5, 6199468), (10, 3099734), (11, 2817940), (20, 1549867), (22, 1408970), (44, 704485), (55, 563588), (110, 281794), (220, 140897)]