288519740

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{14557}}^1$

素因数の和:15557

約数の個数: 24

約数和(自身を含む): 606544512

約数和(自身を除く): 318024772

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 3964, 4955, 9910, 14557, 19820, 29114, 58228, 72785, 145570, 291140, 14425987, 28851974, 57703948, 72129935, 144259870, 288519740]

約数ペア:

[(1, 288519740), (2, 144259870), (4, 72129935), (5, 57703948), (10, 28851974), (20, 14425987), (991, 291140), (1982, 145570), (3964, 72785), (4955, 58228), (9910, 29114), (14557, 19820)]