313612160

素因数分解:

$2^7\times 5^1\times {\mathrm{490019}}^1$

素因数の和:490038

約数の個数: 32

約数和(自身を含む): 749730600

約数和(自身を除く): 436118440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 490019, 980038, 1960076, 2450095, 3920152, 4900190, 7840304, 9800380, 15680608, 19600760, 31361216, 39201520, 62722432, 78403040, 156806080, 313612160]

約数ペア:

[(1, 313612160), (2, 156806080), (4, 78403040), (5, 62722432), (8, 39201520), (10, 31361216), (16, 19600760), (20, 15680608), (32, 9800380), (40, 7840304), (64, 4900190), (80, 3920152), (128, 2450095), (160, 1960076), (320, 980038), (640, 490019)]