2171380

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{719}}^1$

素因数の和:879

約数の個数: 24

約数和(自身を含む): 4596480

約数和(自身を除く): 2425100

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 719, 755, 1438, 1510, 2876, 3020, 3595, 7190, 14380, 108569, 217138, 434276, 542845, 1085690, 2171380]

約数ペア:

[(1, 2171380), (2, 1085690), (4, 542845), (5, 434276), (10, 217138), (20, 108569), (151, 14380), (302, 7190), (604, 3595), (719, 3020), (755, 2876), (1438, 1510)]