1209790

素因数分解:

$2^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{389}}^1$

素因数の和:707

約数の個数: 16

約数和(自身を含む): 2190240

約数和(自身を除く): 980450

約数列:

[1, 2, 5, 10, 311, 389, 622, 778, 1555, 1945, 3110, 3890, 120979, 241958, 604895, 1209790]

約数ペア:

[(1, 1209790), (2, 604895), (5, 241958), (10, 120979), (311, 3890), (389, 3110), (622, 1945), (778, 1555)]