3143240

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{439}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 7128000

約数和(自身を除く): 3984760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 439, 716, 878, 895, 1432, 1756, 1790, 2195, 3512, 3580, 4390, 7160, 8780, 17560, 78581, 157162, 314324, 392905, 628648, 785810, 1571620, 3143240]

約数ペア:

[(1, 3143240), (2, 1571620), (4, 785810), (5, 628648), (8, 392905), (10, 314324), (20, 157162), (40, 78581), (179, 17560), (358, 8780), (439, 7160), (716, 4390), (878, 3580), (895, 3512), (1432, 2195), (1756, 1790)]