557625620

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{1801}}^1$

素因数の和:2060

約数の個数: 48

約数和(自身を含む): 1190660688

約数和(自身を除く): 633035068

約数列:

[1, 2, 4, 5, 10, 20, 113, 137, 226, 274, 452, 548, 565, 685, 1130, 1370, 1801, 2260, 2740, 3602, 7204, 9005, 15481, 18010, 30962, 36020, 61924, 77405, 154810, 203513, 246737, 309620, 407026, 493474, 814052, 986948, 1017565, 1233685, 2035130, 2467370, 4070260, 4934740, 27881281, 55762562, 111525124, 139406405, 278812810, 557625620]

約数ペア:

[(1, 557625620), (2, 278812810), (4, 139406405), (5, 111525124), (10, 55762562), (20, 27881281), (113, 4934740), (137, 4070260), (226, 2467370), (274, 2035130), (452, 1233685), (548, 1017565), (565, 986948), (685, 814052), (1130, 493474), (1370, 407026), (1801, 309620), (2260, 246737), (2740, 203513), (3602, 154810), (7204, 77405), (9005, 61924), (15481, 36020), (18010, 30962)]