342402890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{20369}}^1$

素因数の和:20458

約数の個数: 24

約数和(自身を含む): 631755180

約数和(自身を除く): 289352290

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 1681, 3362, 8405, 16810, 20369, 40738, 101845, 203690, 835129, 1670258, 4175645, 8351290, 34240289, 68480578, 171201445, 342402890]

約数ペア:

[(1, 342402890), (2, 171201445), (5, 68480578), (10, 34240289), (41, 8351290), (82, 4175645), (205, 1670258), (410, 835129), (1681, 203690), (3362, 101845), (8405, 40738), (16810, 20369)]