7982180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1381}}^1$

素因数の和:1424

約数の個数: 36

約数和(自身を含む): 17819508

約数和(自身を除く): 9837328

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1381, 1445, 2762, 2890, 5524, 5780, 6905, 13810, 23477, 27620, 46954, 93908, 117385, 234770, 399109, 469540, 798218, 1596436, 1995545, 3991090, 7982180]

約数ペア:

[(1, 7982180), (2, 3991090), (4, 1995545), (5, 1596436), (10, 798218), (17, 469540), (20, 399109), (34, 234770), (68, 117385), (85, 93908), (170, 46954), (289, 27620), (340, 23477), (578, 13810), (1156, 6905), (1381, 5780), (1445, 5524), (2762, 2890)]