189849580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{306209}}^1$

素因数の和:306249

約数の個数: 24

約数和(自身を含む): 411546240

約数和(自身を除く): 221696660

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 306209, 612418, 1224836, 1531045, 3062090, 6124180, 9492479, 18984958, 37969916, 47462395, 94924790, 189849580]

約数ペア:

[(1, 189849580), (2, 94924790), (4, 47462395), (5, 37969916), (10, 18984958), (20, 9492479), (31, 6124180), (62, 3062090), (124, 1531045), (155, 1224836), (310, 612418), (620, 306209)]