218980180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{267049}}^1$

素因数の和:267099

約数の個数: 24

約数和(自身を含む): 471076200

約数和(自身を除く): 252096020

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 267049, 534098, 1068196, 1335245, 2670490, 5340980, 10949009, 21898018, 43796036, 54745045, 109490090, 218980180]

約数ペア:

[(1, 218980180), (2, 109490090), (4, 54745045), (5, 43796036), (10, 21898018), (20, 10949009), (41, 5340980), (82, 2670490), (164, 1335245), (205, 1068196), (410, 534098), (820, 267049)]