1620710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{137}}^1$

素因数の和:177

約数の個数: 48

約数和(自身を含む): 3636576

約数和(自身を除く): 2015866

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 137, 169, 182, 274, 338, 455, 685, 845, 910, 959, 1183, 1370, 1690, 1781, 1918, 2366, 3562, 4795, 5915, 8905, 9590, 11830, 12467, 17810, 23153, 24934, 46306, 62335, 115765, 124670, 162071, 231530, 324142, 810355, 1620710]

約数ペア:

[(1, 1620710), (2, 810355), (5, 324142), (7, 231530), (10, 162071), (13, 124670), (14, 115765), (26, 62335), (35, 46306), (65, 24934), (70, 23153), (91, 17810), (130, 12467), (137, 11830), (169, 9590), (182, 8905), (274, 5915), (338, 4795), (455, 3562), (685, 2366), (845, 1918), (910, 1781), (959, 1690), (1183, 1370)]