399489962260

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{36721}}^1\times {\mathrm{18757}}^1$

素因数の和:55516

約数の個数: 48

約数和(自身を含む): 867927407760

約数和(自身を除く): 468437445500

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 18757, 36721, 37514, 73442, 75028, 93785, 146884, 183605, 187570, 367210, 375140, 543953, 734420, 1064909, 1087906, 2129818, 2175812, 2719765, 4259636, 5324545, 5439530, 10649090, 10879060, 21298180, 688775797, 1377551594, 2755103188, 3443878985, 6887757970, 13775515940, 19974498113, 39948996226, 79897992452, 99872490565, 199744981130, 399489962260]

約数ペア:

[(1, 399489962260), (2, 199744981130), (4, 99872490565), (5, 79897992452), (10, 39948996226), (20, 19974498113), (29, 13775515940), (58, 6887757970), (116, 3443878985), (145, 2755103188), (290, 1377551594), (580, 688775797), (18757, 21298180), (36721, 10879060), (37514, 10649090), (73442, 5439530), (75028, 5324545), (93785, 4259636), (146884, 2719765), (183605, 2175812), (187570, 2129818), (367210, 1087906), (375140, 1064909), (543953, 734420)]