222156740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{44971}}^1$

素因数の和:45012

約数の個数: 48

約数和(自身を含む): 528870720

約数和(自身を除く): 306713980

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, 2470, 4940, 44971, 89942, 179884, 224855, 449710, 584623, 854449, 899420, 1169246, 1708898, 2338492, 2923115, 3417796, 4272245, 5846230, 8544490, 11107837, 11692460, 17088980, 22215674, 44431348, 55539185, 111078370, 222156740]

約数ペア:

[(1, 222156740), (2, 111078370), (4, 55539185), (5, 44431348), (10, 22215674), (13, 17088980), (19, 11692460), (20, 11107837), (26, 8544490), (38, 5846230), (52, 4272245), (65, 3417796), (76, 2923115), (95, 2338492), (130, 1708898), (190, 1169246), (247, 899420), (260, 854449), (380, 584623), (494, 449710), (988, 224855), (1235, 179884), (2470, 89942), (4940, 44971)]