312021860

素因数分解:

$2^2\times 5^1\times {\mathrm{1597}}^1\times {\mathrm{9769}}^1$

素因数の和:11375

約数の個数: 24

約数和(自身を含む): 655723320

約数和(自身を除く): 343701460

約数列:

[1, 2, 4, 5, 10, 20, 1597, 3194, 6388, 7985, 9769, 15970, 19538, 31940, 39076, 48845, 97690, 195380, 15601093, 31202186, 62404372, 78005465, 156010930, 312021860]

約数ペア:

[(1, 312021860), (2, 156010930), (4, 78005465), (5, 62404372), (10, 31202186), (20, 15601093), (1597, 195380), (3194, 97690), (6388, 48845), (7985, 39076), (9769, 31940), (15970, 19538)]