2784220

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1907}}^1$

素因数の和:1989

約数の個数: 24

約数和(自身を含む): 5930064

約数和(自身を除く): 3145844

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 1907, 3814, 7628, 9535, 19070, 38140, 139211, 278422, 556844, 696055, 1392110, 2784220]

約数ペア:

[(1, 2784220), (2, 1392110), (4, 696055), (5, 556844), (10, 278422), (20, 139211), (73, 38140), (146, 19070), (292, 9535), (365, 7628), (730, 3814), (1460, 1907)]