289402620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{371029}}^1$

素因数の和:371054

約数の個数: 48

約数和(自身を含む): 872662560

約数和(自身を除く): 583259940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 371029, 742058, 1113087, 1484116, 1855145, 2226174, 3710290, 4452348, 4823377, 5565435, 7420580, 9646754, 11130870, 14470131, 19293508, 22261740, 24116885, 28940262, 48233770, 57880524, 72350655, 96467540, 144701310, 289402620]

約数ペア:

[(1, 289402620), (2, 144701310), (3, 96467540), (4, 72350655), (5, 57880524), (6, 48233770), (10, 28940262), (12, 24116885), (13, 22261740), (15, 19293508), (20, 14470131), (26, 11130870), (30, 9646754), (39, 7420580), (52, 5565435), (60, 4823377), (65, 4452348), (78, 3710290), (130, 2226174), (156, 1855145), (195, 1484116), (260, 1113087), (390, 742058), (780, 371029)]