2659930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:143

約数の個数: 64

約数和(自身を含む): 6128640

約数和(自身を除く): 3468710

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 37, 65, 70, 74, 79, 91, 130, 158, 182, 185, 259, 370, 395, 455, 481, 518, 553, 790, 910, 962, 1027, 1106, 1295, 2054, 2405, 2590, 2765, 2923, 3367, 4810, 5135, 5530, 5846, 6734, 7189, 10270, 14378, 14615, 16835, 20461, 29230, 33670, 35945, 37999, 40922, 71890, 75998, 102305, 189995, 204610, 265993, 379990, 531986, 1329965, 2659930]

約数ペア:

[(1, 2659930), (2, 1329965), (5, 531986), (7, 379990), (10, 265993), (13, 204610), (14, 189995), (26, 102305), (35, 75998), (37, 71890), (65, 40922), (70, 37999), (74, 35945), (79, 33670), (91, 29230), (130, 20461), (158, 16835), (182, 14615), (185, 14378), (259, 10270), (370, 7189), (395, 6734), (455, 5846), (481, 5530), (518, 5135), (553, 4810), (790, 3367), (910, 2923), (962, 2765), (1027, 2590), (1106, 2405), (1295, 2054)]