1747420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2131}}^1$

素因数の和:2181

約数の個数: 24

約数和(自身を含む): 3760848

約数和(自身を除く): 2013428

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 2131, 4262, 8524, 10655, 21310, 42620, 87371, 174742, 349484, 436855, 873710, 1747420]

約数ペア:

[(1, 1747420), (2, 873710), (4, 436855), (5, 349484), (10, 174742), (20, 87371), (41, 42620), (82, 21310), (164, 10655), (205, 8524), (410, 4262), (820, 2131)]