142521740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{173807}}^1$

素因数の和:173857

約数の個数: 24

約数和(自身を含む): 306597312

約数和(自身を除く): 164075572

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 173807, 347614, 695228, 869035, 1738070, 3476140, 7126087, 14252174, 28504348, 35630435, 71260870, 142521740]

約数ペア:

[(1, 142521740), (2, 71260870), (4, 35630435), (5, 28504348), (10, 14252174), (20, 7126087), (41, 3476140), (82, 1738070), (164, 869035), (205, 695228), (410, 347614), (820, 173807)]