309740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{911}}^1$

素因数の和:937

約数の個数: 24

約数和(自身を含む): 689472

約数和(自身を除く): 379732

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 911, 1822, 3644, 4555, 9110, 15487, 18220, 30974, 61948, 77435, 154870, 309740]

約数ペア:

[(1, 309740), (2, 154870), (4, 77435), (5, 61948), (10, 30974), (17, 18220), (20, 15487), (34, 9110), (68, 4555), (85, 3644), (170, 1822), (340, 911)]