30331190

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{21821}}^1$

素因数の和:21967

約数の個数: 16

約数和(自身を含む): 54991440

約数和(自身を除く): 24660250

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 21821, 43642, 109105, 218210, 3033119, 6066238, 15165595, 30331190]

約数ペア:

[(1, 30331190), (2, 15165595), (5, 6066238), (10, 3033119), (139, 218210), (278, 109105), (695, 43642), (1390, 21821)]