22150580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{821}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 49714560

約数和(自身を除く): 27563980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 710, 821, 1349, 1420, 1642, 2698, 3284, 4105, 5396, 6745, 8210, 13490, 15599, 16420, 26980, 31198, 58291, 62396, 77995, 116582, 155990, 233164, 291455, 311980, 582910, 1107529, 1165820, 2215058, 4430116, 5537645, 11075290, 22150580]

約数ペア:

[(1, 22150580), (2, 11075290), (4, 5537645), (5, 4430116), (10, 2215058), (19, 1165820), (20, 1107529), (38, 582910), (71, 311980), (76, 291455), (95, 233164), (142, 155990), (190, 116582), (284, 77995), (355, 62396), (380, 58291), (710, 31198), (821, 26980), (1349, 16420), (1420, 15599), (1642, 13490), (2698, 8210), (3284, 6745), (4105, 5396)]