656590940

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{11839}}^1$

素因数の和:11954

約数の個数: 48

約数和(自身を含む): 1432166400

約数和(自身を除く): 775575460

約数列:

[1, 2, 4, 5, 10, 20, 47, 59, 94, 118, 188, 235, 236, 295, 470, 590, 940, 1180, 2773, 5546, 11092, 11839, 13865, 23678, 27730, 47356, 55460, 59195, 118390, 236780, 556433, 698501, 1112866, 1397002, 2225732, 2782165, 2794004, 3492505, 5564330, 6985010, 11128660, 13970020, 32829547, 65659094, 131318188, 164147735, 328295470, 656590940]

約数ペア:

[(1, 656590940), (2, 328295470), (4, 164147735), (5, 131318188), (10, 65659094), (20, 32829547), (47, 13970020), (59, 11128660), (94, 6985010), (118, 5564330), (188, 3492505), (235, 2794004), (236, 2782165), (295, 2225732), (470, 1397002), (590, 1112866), (940, 698501), (1180, 556433), (2773, 236780), (5546, 118390), (11092, 59195), (11839, 55460), (13865, 47356), (23678, 27730)]