3134840

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{719}}^1$

素因数の和:839

約数の個数: 32

約数和(自身を含む): 7128000

約数和(自身を除く): 3993160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 719, 872, 1090, 1438, 2180, 2876, 3595, 4360, 5752, 7190, 14380, 28760, 78371, 156742, 313484, 391855, 626968, 783710, 1567420, 3134840]

約数ペア:

[(1, 3134840), (2, 1567420), (4, 783710), (5, 626968), (8, 391855), (10, 313484), (20, 156742), (40, 78371), (109, 28760), (218, 14380), (436, 7190), (545, 5752), (719, 4360), (872, 3595), (1090, 2876), (1438, 2180)]