221636870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3083}}^1$

素因数の和:3189

約数の個数: 64

約数和(自身を含む): 497387520

約数和(自身を除く): 275750650

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 79, 91, 130, 158, 182, 395, 455, 553, 790, 910, 1027, 1106, 2054, 2765, 3083, 5135, 5530, 6166, 7189, 10270, 14378, 15415, 21581, 30830, 35945, 40079, 43162, 71890, 80158, 107905, 200395, 215810, 243557, 280553, 400790, 487114, 561106, 1217785, 1402765, 1704899, 2435570, 2805530, 3166241, 3409798, 6332482, 8524495, 15831205, 17048990, 22163687, 31662410, 44327374, 110818435, 221636870]

約数ペア:

[(1, 221636870), (2, 110818435), (5, 44327374), (7, 31662410), (10, 22163687), (13, 17048990), (14, 15831205), (26, 8524495), (35, 6332482), (65, 3409798), (70, 3166241), (79, 2805530), (91, 2435570), (130, 1704899), (158, 1402765), (182, 1217785), (395, 561106), (455, 487114), (553, 400790), (790, 280553), (910, 243557), (1027, 215810), (1106, 200395), (2054, 107905), (2765, 80158), (3083, 71890), (5135, 43162), (5530, 40079), (6166, 35945), (7189, 30830), (10270, 21581), (14378, 15415)]