31210760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{111467}}^1$

素因数の和:111485

約数の個数: 32

約数和(自身を含む): 80256960

約数和(自身を除く): 49046200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 111467, 222934, 445868, 557335, 780269, 891736, 1114670, 1560538, 2229340, 3121076, 3901345, 4458680, 6242152, 7802690, 15605380, 31210760]

約数ペア:

[(1, 31210760), (2, 15605380), (4, 7802690), (5, 6242152), (7, 4458680), (8, 3901345), (10, 3121076), (14, 2229340), (20, 1560538), (28, 1114670), (35, 891736), (40, 780269), (56, 557335), (70, 445868), (140, 222934), (280, 111467)]