207072140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{2087}}^1$

素因数の和:2159

約数の個数: 72

約数和(自身を含む): 489869856

約数和(自身を除く): 282797716

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 121, 164, 205, 220, 242, 410, 451, 484, 605, 820, 902, 1210, 1804, 2087, 2255, 2420, 4174, 4510, 4961, 8348, 9020, 9922, 10435, 19844, 20870, 22957, 24805, 41740, 45914, 49610, 85567, 91828, 99220, 114785, 171134, 229570, 252527, 342268, 427835, 459140, 505054, 855670, 941237, 1010108, 1262635, 1711340, 1882474, 2525270, 3764948, 4706185, 5050540, 9412370, 10353607, 18824740, 20707214, 41414428, 51768035, 103536070, 207072140]

約数ペア:

[(1, 207072140), (2, 103536070), (4, 51768035), (5, 41414428), (10, 20707214), (11, 18824740), (20, 10353607), (22, 9412370), (41, 5050540), (44, 4706185), (55, 3764948), (82, 2525270), (110, 1882474), (121, 1711340), (164, 1262635), (205, 1010108), (220, 941237), (242, 855670), (410, 505054), (451, 459140), (484, 427835), (605, 342268), (820, 252527), (902, 229570), (1210, 171134), (1804, 114785), (2087, 99220), (2255, 91828), (2420, 85567), (4174, 49610), (4510, 45914), (4961, 41740), (8348, 24805), (9020, 22957), (9922, 20870), (10435, 19844)]