205957570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2543}}^1$

素因数の和:2659

約数の個数: 64

約数和(自身を含む): 461583360

約数和(自身を除く): 255625790

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 89, 91, 130, 178, 182, 445, 455, 623, 890, 910, 1157, 1246, 2314, 2543, 3115, 5086, 5785, 6230, 8099, 11570, 12715, 16198, 17801, 25430, 33059, 35602, 40495, 66118, 80990, 89005, 165295, 178010, 226327, 231413, 330590, 452654, 462826, 1131635, 1157065, 1584289, 2263270, 2314130, 2942251, 3168578, 5884502, 7921445, 14711255, 15842890, 20595757, 29422510, 41191514, 102978785, 205957570]

約数ペア:

[(1, 205957570), (2, 102978785), (5, 41191514), (7, 29422510), (10, 20595757), (13, 15842890), (14, 14711255), (26, 7921445), (35, 5884502), (65, 3168578), (70, 2942251), (89, 2314130), (91, 2263270), (130, 1584289), (178, 1157065), (182, 1131635), (445, 462826), (455, 452654), (623, 330590), (890, 231413), (910, 226327), (1157, 178010), (1246, 165295), (2314, 89005), (2543, 80990), (3115, 66118), (5086, 40495), (5785, 35602), (6230, 33059), (8099, 25430), (11570, 17801), (12715, 16198)]