2616440

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{439}}^1$

素因数の和:599

約数の個数: 32

約数和(自身を含む): 5940000

約数和(自身を除く): 3323560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 439, 596, 745, 878, 1192, 1490, 1756, 2195, 2980, 3512, 4390, 5960, 8780, 17560, 65411, 130822, 261644, 327055, 523288, 654110, 1308220, 2616440]

約数ペア:

[(1, 2616440), (2, 1308220), (4, 654110), (5, 523288), (8, 327055), (10, 261644), (20, 130822), (40, 65411), (149, 17560), (298, 8780), (439, 5960), (596, 4390), (745, 3512), (878, 2980), (1192, 2195), (1490, 1756)]