77418220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31991}}^1$

素因数の和:32022

約数の個数: 36

約数和(自身を含む): 178707312

約数和(自身を除く): 101289092

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 31991, 63982, 127964, 159955, 319910, 351901, 639820, 703802, 1407604, 1759505, 3519010, 3870911, 7038020, 7741822, 15483644, 19354555, 38709110, 77418220]

約数ペア:

[(1, 77418220), (2, 38709110), (4, 19354555), (5, 15483644), (10, 7741822), (11, 7038020), (20, 3870911), (22, 3519010), (44, 1759505), (55, 1407604), (110, 703802), (121, 639820), (220, 351901), (242, 319910), (484, 159955), (605, 127964), (1210, 63982), (2420, 31991)]