320350

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:204

約数の個数: 24

約数和(自身を含む): 613800

約数和(自身を除く): 293450

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 149, 215, 298, 430, 745, 1075, 1490, 2150, 3725, 6407, 7450, 12814, 32035, 64070, 160175, 320350]

約数ペア:

[(1, 320350), (2, 160175), (5, 64070), (10, 32035), (25, 12814), (43, 7450), (50, 6407), (86, 3725), (149, 2150), (215, 1490), (298, 1075), (430, 745)]