2159740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9817}}^1$

素因数の和:9837

約数の個数: 24

約数和(自身を含む): 4948272

約数和(自身を除く): 2788532

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 9817, 19634, 39268, 49085, 98170, 107987, 196340, 215974, 431948, 539935, 1079870, 2159740]

約数ペア:

[(1, 2159740), (2, 1079870), (4, 539935), (5, 431948), (10, 215974), (11, 196340), (20, 107987), (22, 98170), (44, 49085), (55, 39268), (110, 19634), (220, 9817)]