2981480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3923}}^1$

素因数の和:3953

約数の個数: 32

約数和(自身を含む): 7063200

約数和(自身を除く): 4081720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 3923, 7846, 15692, 19615, 31384, 39230, 74537, 78460, 149074, 156920, 298148, 372685, 596296, 745370, 1490740, 2981480]

約数ペア:

[(1, 2981480), (2, 1490740), (4, 745370), (5, 596296), (8, 372685), (10, 298148), (19, 156920), (20, 149074), (38, 78460), (40, 74537), (76, 39230), (95, 31384), (152, 19615), (190, 15692), (380, 7846), (760, 3923)]