1855320890

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{879299}}^1$

素因数の和:879517

約数の個数: 16

約数和(自身を含む): 3355408800

約数和(自身を除く): 1500087910

約数列:

[1, 2, 5, 10, 211, 422, 1055, 2110, 879299, 1758598, 4396495, 8792990, 185532089, 371064178, 927660445, 1855320890]

約数ペア:

[(1, 1855320890), (2, 927660445), (5, 371064178), (10, 185532089), (211, 8792990), (422, 4396495), (1055, 1758598), (2110, 879299)]