194781340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{4139}}^1$

素因数の和:4342

約数の個数: 48

約数和(自身を含む): 443046240

約数和(自身を除く): 248264900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 181, 260, 362, 724, 905, 1810, 2353, 3620, 4139, 4706, 8278, 9412, 11765, 16556, 20695, 23530, 41390, 47060, 53807, 82780, 107614, 215228, 269035, 538070, 749159, 1076140, 1498318, 2996636, 3745795, 7491590, 9739067, 14983180, 19478134, 38956268, 48695335, 97390670, 194781340]

約数ペア:

[(1, 194781340), (2, 97390670), (4, 48695335), (5, 38956268), (10, 19478134), (13, 14983180), (20, 9739067), (26, 7491590), (52, 3745795), (65, 2996636), (130, 1498318), (181, 1076140), (260, 749159), (362, 538070), (724, 269035), (905, 215228), (1810, 107614), (2353, 82780), (3620, 53807), (4139, 47060), (4706, 41390), (8278, 23530), (9412, 20695), (11765, 16556)]