90980090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31481}}^1$

素因数の和:31522

約数の個数: 24

約数和(自身を含む): 173969532

約数和(自身を除く): 82989442

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 31481, 62962, 157405, 314810, 535177, 1070354, 2675885, 5351770, 9098009, 18196018, 45490045, 90980090]

約数ペア:

[(1, 90980090), (2, 45490045), (5, 18196018), (10, 9098009), (17, 5351770), (34, 2675885), (85, 1070354), (170, 535177), (289, 314810), (578, 157405), (1445, 62962), (2890, 31481)]