3987910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:316

約数の個数: 32

約数和(自身を含む): 7660800

約数和(自身を除く): 3672890

約数列:

[1, 2, 5, 10, 19, 38, 95, 139, 151, 190, 278, 302, 695, 755, 1390, 1510, 2641, 2869, 5282, 5738, 13205, 14345, 20989, 26410, 28690, 41978, 104945, 209890, 398791, 797582, 1993955, 3987910]

約数ペア:

[(1, 3987910), (2, 1993955), (5, 797582), (10, 398791), (19, 209890), (38, 104945), (95, 41978), (139, 28690), (151, 26410), (190, 20989), (278, 14345), (302, 13205), (695, 5738), (755, 5282), (1390, 2869), (1510, 2641)]