851860

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{223}}^1$

素因数の和:423

約数の個数: 24

約数和(自身を含む): 1806336

約数和(自身を除く): 954476

約数列:

[1, 2, 4, 5, 10, 20, 191, 223, 382, 446, 764, 892, 955, 1115, 1910, 2230, 3820, 4460, 42593, 85186, 170372, 212965, 425930, 851860]

約数ペア:

[(1, 851860), (2, 425930), (4, 212965), (5, 170372), (10, 85186), (20, 42593), (191, 4460), (223, 3820), (382, 2230), (446, 1910), (764, 1115), (892, 955)]