68778220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{491273}}^1$

素因数の和:491289

約数の個数: 24

約数和(自身を含む): 165068064

約数和(自身を除く): 96289844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 491273, 982546, 1965092, 2456365, 3438911, 4912730, 6877822, 9825460, 13755644, 17194555, 34389110, 68778220]

約数ペア:

[(1, 68778220), (2, 34389110), (4, 17194555), (5, 13755644), (7, 9825460), (10, 6877822), (14, 4912730), (20, 3438911), (28, 2456365), (35, 1965092), (70, 982546), (140, 491273)]