389640950

素因数分解:

$2^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{68963}}^1$

素因数の和:69088

約数の個数: 24

約数和(自身を含む): 731156328

約数和(自身を除く): 341515378

約数列:

[1, 2, 5, 10, 25, 50, 113, 226, 565, 1130, 2825, 5650, 68963, 137926, 344815, 689630, 1724075, 3448150, 7792819, 15585638, 38964095, 77928190, 194820475, 389640950]

約数ペア:

[(1, 389640950), (2, 194820475), (5, 77928190), (10, 38964095), (25, 15585638), (50, 7792819), (113, 3448150), (226, 1724075), (565, 689630), (1130, 344815), (2825, 137926), (5650, 68963)]