290700190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139091}}^1$

素因数の和:139128

約数の個数: 32

約数和(自身を含む): 600877440

約数和(自身を除く): 310177250

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 139091, 278182, 695455, 1390910, 1530001, 2642729, 3060002, 5285458, 7650005, 13213645, 15300010, 26427290, 29070019, 58140038, 145350095, 290700190]

約数ペア:

[(1, 290700190), (2, 145350095), (5, 58140038), (10, 29070019), (11, 26427290), (19, 15300010), (22, 13213645), (38, 7650005), (55, 5285458), (95, 3060002), (110, 2642729), (190, 1530001), (209, 1390910), (418, 695455), (1045, 278182), (2090, 139091)]