73845140

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 158336640

約数和(自身を除く): 84491500

約数列:

[1, 2, 4, 5, 10, 20, 101, 139, 202, 263, 278, 404, 505, 526, 556, 695, 1010, 1052, 1315, 1390, 2020, 2630, 2780, 5260, 14039, 26563, 28078, 36557, 53126, 56156, 70195, 73114, 106252, 132815, 140390, 146228, 182785, 265630, 280780, 365570, 531260, 731140, 3692257, 7384514, 14769028, 18461285, 36922570, 73845140]

約数ペア:

[(1, 73845140), (2, 36922570), (4, 18461285), (5, 14769028), (10, 7384514), (20, 3692257), (101, 731140), (139, 531260), (202, 365570), (263, 280780), (278, 265630), (404, 182785), (505, 146228), (526, 140390), (556, 132815), (695, 106252), (1010, 73114), (1052, 70195), (1315, 56156), (1390, 53126), (2020, 36557), (2630, 28078), (2780, 26563), (5260, 14039)]