166377620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{2113}}^1$

素因数の和:2280

約数の個数: 48

約数和(自身を含む): 363675648

約数和(自身を除く): 197298028

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 127, 155, 254, 310, 508, 620, 635, 1270, 2113, 2540, 3937, 4226, 7874, 8452, 10565, 15748, 19685, 21130, 39370, 42260, 65503, 78740, 131006, 262012, 268351, 327515, 536702, 655030, 1073404, 1310060, 1341755, 2683510, 5367020, 8318881, 16637762, 33275524, 41594405, 83188810, 166377620]

約数ペア:

[(1, 166377620), (2, 83188810), (4, 41594405), (5, 33275524), (10, 16637762), (20, 8318881), (31, 5367020), (62, 2683510), (124, 1341755), (127, 1310060), (155, 1073404), (254, 655030), (310, 536702), (508, 327515), (620, 268351), (635, 262012), (1270, 131006), (2113, 78740), (2540, 65503), (3937, 42260), (4226, 39370), (7874, 21130), (8452, 19685), (10565, 15748)]