73828420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{85847}}^1$

素因数の和:85899

約数の個数: 24

約数和(自身を含む): 158647104

約数和(自身を除く): 84818684

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 85847, 171694, 343388, 429235, 858470, 1716940, 3691421, 7382842, 14765684, 18457105, 36914210, 73828420]

約数ペア:

[(1, 73828420), (2, 36914210), (4, 18457105), (5, 14765684), (10, 7382842), (20, 3691421), (43, 1716940), (86, 858470), (172, 429235), (215, 343388), (430, 171694), (860, 85847)]