2197850

素因数分解:

$2^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{389}}^1$

素因数の和:514

約数の個数: 24

約数和(自身を含む): 4134780

約数和(自身を除く): 1936930

約数列:

[1, 2, 5, 10, 25, 50, 113, 226, 389, 565, 778, 1130, 1945, 2825, 3890, 5650, 9725, 19450, 43957, 87914, 219785, 439570, 1098925, 2197850]

約数ペア:

[(1, 2197850), (2, 1098925), (5, 439570), (10, 219785), (25, 87914), (50, 43957), (113, 19450), (226, 9725), (389, 5650), (565, 3890), (778, 2825), (1130, 1945)]