768020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3491}}^1$

素因数の和:3511

約数の個数: 24

約数和(自身を含む): 1759968

約数和(自身を除く): 991948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 3491, 6982, 13964, 17455, 34910, 38401, 69820, 76802, 153604, 192005, 384010, 768020]

約数ペア:

[(1, 768020), (2, 384010), (4, 192005), (5, 153604), (10, 76802), (11, 69820), (20, 38401), (22, 34910), (44, 17455), (55, 13964), (110, 6982), (220, 3491)]