986380

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{331}}^1$

素因数の和:489

約数の個数: 24

約数和(自身を含む): 2091600

約数和(自身を除く): 1105220

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 331, 596, 662, 745, 1324, 1490, 1655, 2980, 3310, 6620, 49319, 98638, 197276, 246595, 493190, 986380]

約数ペア:

[(1, 986380), (2, 493190), (4, 246595), (5, 197276), (10, 98638), (20, 49319), (149, 6620), (298, 3310), (331, 2980), (596, 1655), (662, 1490), (745, 1324)]