7760740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1571}}^1$

素因数の和:1612

約数の個数: 48

約数和(自身を含む): 18486720

約数和(自身を除く): 10725980

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 1571, 2470, 3142, 4940, 6284, 7855, 15710, 20423, 29849, 31420, 40846, 59698, 81692, 102115, 119396, 149245, 204230, 298490, 388037, 408460, 596980, 776074, 1552148, 1940185, 3880370, 7760740]

約数ペア:

[(1, 7760740), (2, 3880370), (4, 1940185), (5, 1552148), (10, 776074), (13, 596980), (19, 408460), (20, 388037), (26, 298490), (38, 204230), (52, 149245), (65, 119396), (76, 102115), (95, 81692), (130, 59698), (190, 40846), (247, 31420), (260, 29849), (380, 20423), (494, 15710), (988, 7855), (1235, 6284), (1571, 4940), (2470, 3142)]