289773770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{202639}}^1$

素因数の和:202670

約数の個数: 32

約数和(自身を含む): 612783360

約数和(自身を除く): 323009590

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 202639, 405278, 1013195, 2026390, 2229029, 2634307, 4458058, 5268614, 11145145, 13171535, 22290290, 26343070, 28977377, 57954754, 144886885, 289773770]

約数ペア:

[(1, 289773770), (2, 144886885), (5, 57954754), (10, 28977377), (11, 26343070), (13, 22290290), (22, 13171535), (26, 11145145), (55, 5268614), (65, 4458058), (110, 2634307), (130, 2229029), (143, 2026390), (286, 1013195), (715, 405278), (1430, 202639)]