42474740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{27581}}^1$

素因数の和:27608

約数の個数: 48

約数和(自身を含む): 111210624

約数和(自身を除く): 68735884

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 27581, 55162, 110324, 137905, 193067, 275810, 303391, 386134, 551620, 606782, 772268, 965335, 1213564, 1516955, 1930670, 2123737, 3033910, 3861340, 4247474, 6067820, 8494948, 10618685, 21237370, 42474740]

約数ペア:

[(1, 42474740), (2, 21237370), (4, 10618685), (5, 8494948), (7, 6067820), (10, 4247474), (11, 3861340), (14, 3033910), (20, 2123737), (22, 1930670), (28, 1516955), (35, 1213564), (44, 965335), (55, 772268), (70, 606782), (77, 551620), (110, 386134), (140, 303391), (154, 275810), (220, 193067), (308, 137905), (385, 110324), (770, 55162), (1540, 27581)]