2191790

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1471}}^1$

素因数の和:1627

約数の個数: 16

約数和(自身を含む): 3974400

約数和(自身を除く): 1782610

約数列:

[1, 2, 5, 10, 149, 298, 745, 1471, 1490, 2942, 7355, 14710, 219179, 438358, 1095895, 2191790]

約数ペア:

[(1, 2191790), (2, 1095895), (5, 438358), (10, 219179), (149, 14710), (298, 7355), (745, 2942), (1471, 1490)]