2008390180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1499}}^1\times {\mathrm{2161}}^1$

素因数の和:3700

約数の個数: 48

約数和(自身を含む): 4358592000

約数和(自身を除く): 2350201820

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 1499, 2161, 2998, 4322, 5996, 7495, 8644, 10805, 14990, 21610, 29980, 43220, 46469, 66991, 92938, 133982, 185876, 232345, 267964, 334955, 464690, 669910, 929380, 1339820, 3239339, 6478678, 12957356, 16196695, 32393390, 64786780, 100419509, 200839018, 401678036, 502097545, 1004195090, 2008390180]

約数ペア:

[(1, 2008390180), (2, 1004195090), (4, 502097545), (5, 401678036), (10, 200839018), (20, 100419509), (31, 64786780), (62, 32393390), (124, 16196695), (155, 12957356), (310, 6478678), (620, 3239339), (1499, 1339820), (2161, 929380), (2998, 669910), (4322, 464690), (5996, 334955), (7495, 267964), (8644, 232345), (10805, 185876), (14990, 133982), (21610, 92938), (29980, 66991), (43220, 46469)]