56557420

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{18979}}^1$

素因数の和:19137

約数の個数: 24

約数和(自身を含む): 119574000

約数和(自身を除く): 63016580

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 18979, 37958, 75916, 94895, 189790, 379580, 2827871, 5655742, 11311484, 14139355, 28278710, 56557420]

約数ペア:

[(1, 56557420), (2, 28278710), (4, 14139355), (5, 11311484), (10, 5655742), (20, 2827871), (149, 379580), (298, 189790), (596, 94895), (745, 75916), (1490, 37958), (2980, 18979)]