73640180

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{7499}}^1$

素因数の和:7999

約数の個数: 24

約数和(自身を含む): 154980000

約数和(自身を除く): 81339820

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 7499, 9820, 14998, 29996, 37495, 74990, 149980, 3682009, 7364018, 14728036, 18410045, 36820090, 73640180]

約数ペア:

[(1, 73640180), (2, 36820090), (4, 18410045), (5, 14728036), (10, 7364018), (20, 3682009), (491, 149980), (982, 74990), (1964, 37495), (2455, 29996), (4910, 14998), (7499, 9820)]