808530620

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1\times {\mathrm{1499}}^1$

素因数の和:1838

約数の個数: 48

約数和(自身を含む): 1719900000

約数和(自身を除く): 911369380

約数列:

[1, 2, 4, 5, 10, 20, 149, 181, 298, 362, 596, 724, 745, 905, 1490, 1499, 1810, 2980, 2998, 3620, 5996, 7495, 14990, 26969, 29980, 53938, 107876, 134845, 223351, 269690, 271319, 446702, 539380, 542638, 893404, 1085276, 1116755, 1356595, 2233510, 2713190, 4467020, 5426380, 40426531, 80853062, 161706124, 202132655, 404265310, 808530620]

約数ペア:

[(1, 808530620), (2, 404265310), (4, 202132655), (5, 161706124), (10, 80853062), (20, 40426531), (149, 5426380), (181, 4467020), (298, 2713190), (362, 2233510), (596, 1356595), (724, 1116755), (745, 1085276), (905, 893404), (1490, 542638), (1499, 539380), (1810, 446702), (2980, 271319), (2998, 269690), (3620, 223351), (5996, 134845), (7495, 107876), (14990, 53938), (26969, 29980)]