206103640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1951}}^1$

素因数の和:2120

約数の個数: 64

約数和(自身を含む): 491904000

約数和(自身を除く): 285800360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 139, 152, 190, 278, 380, 556, 695, 760, 1112, 1390, 1951, 2641, 2780, 3902, 5282, 5560, 7804, 9755, 10564, 13205, 15608, 19510, 21128, 26410, 37069, 39020, 52820, 74138, 78040, 105640, 148276, 185345, 271189, 296552, 370690, 542378, 741380, 1084756, 1355945, 1482760, 2169512, 2711890, 5152591, 5423780, 10305182, 10847560, 20610364, 25762955, 41220728, 51525910, 103051820, 206103640]

約数ペア:

[(1, 206103640), (2, 103051820), (4, 51525910), (5, 41220728), (8, 25762955), (10, 20610364), (19, 10847560), (20, 10305182), (38, 5423780), (40, 5152591), (76, 2711890), (95, 2169512), (139, 1482760), (152, 1355945), (190, 1084756), (278, 741380), (380, 542378), (556, 370690), (695, 296552), (760, 271189), (1112, 185345), (1390, 148276), (1951, 105640), (2641, 78040), (2780, 74138), (3902, 52820), (5282, 39020), (5560, 37069), (7804, 26410), (9755, 21128), (10564, 19510), (13205, 15608)]