2980760

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1733}}^1$

素因数の和:1787

約数の個数: 32

約数和(自身を含む): 6866640

約数和(自身を除く): 3885880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 1733, 3466, 6932, 8665, 13864, 17330, 34660, 69320, 74519, 149038, 298076, 372595, 596152, 745190, 1490380, 2980760]

約数ペア:

[(1, 2980760), (2, 1490380), (4, 745190), (5, 596152), (8, 372595), (10, 298076), (20, 149038), (40, 74519), (43, 69320), (86, 34660), (172, 17330), (215, 13864), (344, 8665), (430, 6932), (860, 3466), (1720, 1733)]