207974140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{23057}}^1$

素因数の和:23118

約数の個数: 48

約数和(自身を含む): 488091744

約数和(自身を除く): 280117604

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 9020, 23057, 46114, 92228, 115285, 230570, 253627, 461140, 507254, 945337, 1014508, 1268135, 1890674, 2536270, 3781348, 4726685, 5072540, 9453370, 10398707, 18906740, 20797414, 41594828, 51993535, 103987070, 207974140]

約数ペア:

[(1, 207974140), (2, 103987070), (4, 51993535), (5, 41594828), (10, 20797414), (11, 18906740), (20, 10398707), (22, 9453370), (41, 5072540), (44, 4726685), (55, 3781348), (82, 2536270), (110, 1890674), (164, 1268135), (205, 1014508), (220, 945337), (410, 507254), (451, 461140), (820, 253627), (902, 230570), (1804, 115285), (2255, 92228), (4510, 46114), (9020, 23057)]