520066540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{119831}}^1$

素因数の和:119878

約数の個数: 48

約数和(自身を含む): 1288433664

約数和(自身を除く): 768367124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 119831, 239662, 479324, 599155, 838817, 1198310, 1677634, 2396620, 3355268, 3714761, 4194085, 7429522, 8388170, 14859044, 16776340, 18573805, 26003327, 37147610, 52006654, 74295220, 104013308, 130016635, 260033270, 520066540]

約数ペア:

[(1, 520066540), (2, 260033270), (4, 130016635), (5, 104013308), (7, 74295220), (10, 52006654), (14, 37147610), (20, 26003327), (28, 18573805), (31, 16776340), (35, 14859044), (62, 8388170), (70, 7429522), (124, 4194085), (140, 3714761), (155, 3355268), (217, 2396620), (310, 1677634), (434, 1198310), (620, 838817), (868, 599155), (1085, 479324), (2170, 239662), (4340, 119831)]