339938890

素因数分解:

$2^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{81131}}^1$

素因数の和:81557

約数の個数: 16

約数和(自身を含む): 613357920

約数和(自身を除く): 273419030

約数列:

[1, 2, 5, 10, 419, 838, 2095, 4190, 81131, 162262, 405655, 811310, 33993889, 67987778, 169969445, 339938890]

約数ペア:

[(1, 339938890), (2, 169969445), (5, 67987778), (10, 33993889), (419, 811310), (838, 405655), (2095, 162262), (4190, 81131)]