7861240

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1319}}^1$

素因数の和:1479

約数の個数: 32

約数和(自身を含む): 17820000

約数和(自身を除く): 9958760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1319, 1490, 2638, 2980, 5276, 5960, 6595, 10552, 13190, 26380, 52760, 196531, 393062, 786124, 982655, 1572248, 1965310, 3930620, 7861240]

約数ペア:

[(1, 7861240), (2, 3930620), (4, 1965310), (5, 1572248), (8, 982655), (10, 786124), (20, 393062), (40, 196531), (149, 52760), (298, 26380), (596, 13190), (745, 10552), (1192, 6595), (1319, 5960), (1490, 5276), (2638, 2980)]