1900659640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4319681}}^1$

素因数の和:4319703

約数の個数: 32

約数和(自身を含む): 4665256560

約数和(自身を除く): 2764596920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4319681, 8639362, 17278724, 21598405, 34557448, 43196810, 47516491, 86393620, 95032982, 172787240, 190065964, 237582455, 380131928, 475164910, 950329820, 1900659640]

約数ペア:

[(1, 1900659640), (2, 950329820), (4, 475164910), (5, 380131928), (8, 237582455), (10, 190065964), (11, 172787240), (20, 95032982), (22, 86393620), (40, 47516491), (44, 43196810), (55, 34557448), (88, 21598405), (110, 17278724), (220, 8639362), (440, 4319681)]