4700980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 10584000

約数和(自身を除く): 5883020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 139, 178, 190, 278, 356, 380, 445, 556, 695, 890, 1390, 1691, 1780, 2641, 2780, 3382, 5282, 6764, 8455, 10564, 12371, 13205, 16910, 24742, 26410, 33820, 49484, 52820, 61855, 123710, 235049, 247420, 470098, 940196, 1175245, 2350490, 4700980]

約数ペア:

[(1, 4700980), (2, 2350490), (4, 1175245), (5, 940196), (10, 470098), (19, 247420), (20, 235049), (38, 123710), (76, 61855), (89, 52820), (95, 49484), (139, 33820), (178, 26410), (190, 24742), (278, 16910), (356, 13205), (380, 12371), (445, 10564), (556, 8455), (695, 6764), (890, 5282), (1390, 3382), (1691, 2780), (1780, 2641)]