235248890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{81401}}^1$

素因数の和:81442

約数の個数: 24

約数和(自身を含む): 449827452

約数和(自身を除く): 214578562

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 81401, 162802, 407005, 814010, 1383817, 2767634, 6919085, 13838170, 23524889, 47049778, 117624445, 235248890]

約数ペア:

[(1, 235248890), (2, 117624445), (5, 47049778), (10, 23524889), (17, 13838170), (34, 6919085), (85, 2767634), (170, 1383817), (289, 814010), (578, 407005), (1445, 162802), (2890, 81401)]