425927740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1429}}^1\times {\mathrm{2129}}^1$

素因数の和:3574

約数の個数: 48

約数和(自身を含む): 1023422400

約数和(自身を除く): 597494660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1429, 2129, 2858, 4258, 5716, 7145, 8516, 10003, 10645, 14290, 14903, 20006, 21290, 28580, 29806, 40012, 42580, 50015, 59612, 74515, 100030, 149030, 200060, 298060, 3042341, 6084682, 12169364, 15211705, 21296387, 30423410, 42592774, 60846820, 85185548, 106481935, 212963870, 425927740]

約数ペア:

[(1, 425927740), (2, 212963870), (4, 106481935), (5, 85185548), (7, 60846820), (10, 42592774), (14, 30423410), (20, 21296387), (28, 15211705), (35, 12169364), (70, 6084682), (140, 3042341), (1429, 298060), (2129, 200060), (2858, 149030), (4258, 100030), (5716, 74515), (7145, 59612), (8516, 50015), (10003, 42580), (10645, 40012), (14290, 29806), (14903, 28580), (20006, 21290)]