872690

素因数分解:

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

素因数の和:171

約数の個数: 48

約数和(自身を含む): 1982232

約数和(自身を除く): 1109542

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 137, 182, 245, 274, 455, 490, 637, 685, 910, 959, 1274, 1370, 1781, 1918, 3185, 3562, 4795, 6370, 6713, 8905, 9590, 12467, 13426, 17810, 24934, 33565, 62335, 67130, 87269, 124670, 174538, 436345, 872690]

約数ペア:

[(1, 872690), (2, 436345), (5, 174538), (7, 124670), (10, 87269), (13, 67130), (14, 62335), (26, 33565), (35, 24934), (49, 17810), (65, 13426), (70, 12467), (91, 9590), (98, 8905), (130, 6713), (137, 6370), (182, 4795), (245, 3562), (274, 3185), (455, 1918), (490, 1781), (637, 1370), (685, 1274), (910, 959)]