42102940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{907}}^1$

素因数の和:1138

約数の個数: 48

約数和(自身を含む): 97017984

約数和(自身を除く): 54915044

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 211, 220, 422, 844, 907, 1055, 1814, 2110, 2321, 3628, 4220, 4535, 4642, 9070, 9284, 9977, 11605, 18140, 19954, 23210, 39908, 46420, 49885, 99770, 191377, 199540, 382754, 765508, 956885, 1913770, 2105147, 3827540, 4210294, 8420588, 10525735, 21051470, 42102940]

約数ペア:

[(1, 42102940), (2, 21051470), (4, 10525735), (5, 8420588), (10, 4210294), (11, 3827540), (20, 2105147), (22, 1913770), (44, 956885), (55, 765508), (110, 382754), (211, 199540), (220, 191377), (422, 99770), (844, 49885), (907, 46420), (1055, 39908), (1814, 23210), (2110, 19954), (2321, 18140), (3628, 11605), (4220, 9977), (4535, 9284), (4642, 9070)]