2386540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 5517792

約数和(自身を除く): 3131252

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 137, 260, 268, 274, 335, 548, 670, 685, 871, 1340, 1370, 1742, 1781, 2740, 3484, 3562, 4355, 7124, 8710, 8905, 9179, 17420, 17810, 18358, 35620, 36716, 45895, 91790, 119327, 183580, 238654, 477308, 596635, 1193270, 2386540]

約数ペア:

[(1, 2386540), (2, 1193270), (4, 596635), (5, 477308), (10, 238654), (13, 183580), (20, 119327), (26, 91790), (52, 45895), (65, 36716), (67, 35620), (130, 18358), (134, 17810), (137, 17420), (260, 9179), (268, 8905), (274, 8710), (335, 7124), (548, 4355), (670, 3562), (685, 3484), (871, 2740), (1340, 1781), (1370, 1742)]