380704180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1\times {\mathrm{907}}^1$

素因数の和:1624

約数の個数: 48

約数和(自身を含む): 827398656

約数和(自身を除く): 446694476

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 677, 907, 1354, 1814, 2708, 3385, 3628, 4535, 6770, 9070, 13540, 18140, 20987, 28117, 41974, 56234, 83948, 104935, 112468, 140585, 209870, 281170, 419740, 562340, 614039, 1228078, 2456156, 3070195, 6140390, 12280780, 19035209, 38070418, 76140836, 95176045, 190352090, 380704180]

約数ペア:

[(1, 380704180), (2, 190352090), (4, 95176045), (5, 76140836), (10, 38070418), (20, 19035209), (31, 12280780), (62, 6140390), (124, 3070195), (155, 2456156), (310, 1228078), (620, 614039), (677, 562340), (907, 419740), (1354, 281170), (1814, 209870), (2708, 140585), (3385, 112468), (3628, 104935), (4535, 83948), (6770, 56234), (9070, 41974), (13540, 28117), (18140, 20987)]