489549320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{941441}}^1$

素因数の和:941465

約数の個数: 32

約数和(自身を含む): 1186216920

約数和(自身を除く): 696667600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 941441, 1882882, 3765764, 4707205, 7531528, 9414410, 12238733, 18828820, 24477466, 37657640, 48954932, 61193665, 97909864, 122387330, 244774660, 489549320]

約数ペア:

[(1, 489549320), (2, 244774660), (4, 122387330), (5, 97909864), (8, 61193665), (10, 48954932), (13, 37657640), (20, 24477466), (26, 18828820), (40, 12238733), (52, 9414410), (65, 7531528), (104, 4707205), (130, 3765764), (260, 1882882), (520, 941441)]