678289960

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{2963}}^1$

素因数の和:3130

約数の個数: 64

約数和(自身を含む): 1568548800

約数和(自身を除く): 890258840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 97, 118, 194, 236, 295, 388, 472, 485, 590, 776, 970, 1180, 1940, 2360, 2963, 3880, 5723, 5926, 11446, 11852, 14815, 22892, 23704, 28615, 29630, 45784, 57230, 59260, 114460, 118520, 174817, 228920, 287411, 349634, 574822, 699268, 874085, 1149644, 1398536, 1437055, 1748170, 2299288, 2874110, 3496340, 5748220, 6992680, 11496440, 16957249, 33914498, 67828996, 84786245, 135657992, 169572490, 339144980, 678289960]

約数ペア:

[(1, 678289960), (2, 339144980), (4, 169572490), (5, 135657992), (8, 84786245), (10, 67828996), (20, 33914498), (40, 16957249), (59, 11496440), (97, 6992680), (118, 5748220), (194, 3496340), (236, 2874110), (295, 2299288), (388, 1748170), (472, 1437055), (485, 1398536), (590, 1149644), (776, 874085), (970, 699268), (1180, 574822), (1940, 349634), (2360, 287411), (2963, 228920), (3880, 174817), (5723, 118520), (5926, 114460), (11446, 59260), (11852, 57230), (14815, 45784), (22892, 29630), (23704, 28615)]