1657397740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1\times {\mathrm{7069}}^1$

素因数の和:7714

約数の個数: 48

約数和(自身を含む): 3670178400

約数和(自身を除く): 2012780660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 617, 1234, 2468, 3085, 6170, 7069, 11723, 12340, 14138, 23446, 28276, 35345, 46892, 58615, 70690, 117230, 134311, 141380, 234460, 268622, 537244, 671555, 1343110, 2686220, 4361573, 8723146, 17446292, 21807865, 43615730, 82869887, 87231460, 165739774, 331479548, 414349435, 828698870, 1657397740]

約数ペア:

[(1, 1657397740), (2, 828698870), (4, 414349435), (5, 331479548), (10, 165739774), (19, 87231460), (20, 82869887), (38, 43615730), (76, 21807865), (95, 17446292), (190, 8723146), (380, 4361573), (617, 2686220), (1234, 1343110), (2468, 671555), (3085, 537244), (6170, 268622), (7069, 234460), (11723, 141380), (12340, 134311), (14138, 117230), (23446, 70690), (28276, 58615), (35345, 46892)]