420153910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{27479}}^1$

素因数の和:27636

約数の個数: 32

約数和(自身を含む): 830995200

約数和(自身を除く): 410841290

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 139, 278, 695, 1390, 1529, 3058, 7645, 15290, 27479, 54958, 137395, 274790, 302269, 604538, 1511345, 3022690, 3819581, 7639162, 19097905, 38195810, 42015391, 84030782, 210076955, 420153910]

約数ペア:

[(1, 420153910), (2, 210076955), (5, 84030782), (10, 42015391), (11, 38195810), (22, 19097905), (55, 7639162), (110, 3819581), (139, 3022690), (278, 1511345), (695, 604538), (1390, 302269), (1529, 274790), (3058, 137395), (7645, 54958), (15290, 27479)]