78838600

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{20747}}^1$

素因数の和:20782

約数の個数: 48

約数和(自身を含む): 192956400

約数和(自身を除く): 114117800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 20747, 41494, 82988, 103735, 165976, 207470, 394193, 414940, 518675, 788386, 829880, 1037350, 1576772, 1970965, 2074700, 3153544, 3941930, 4149400, 7883860, 9854825, 15767720, 19709650, 39419300, 78838600]

約数ペア:

[(1, 78838600), (2, 39419300), (4, 19709650), (5, 15767720), (8, 9854825), (10, 7883860), (19, 4149400), (20, 3941930), (25, 3153544), (38, 2074700), (40, 1970965), (50, 1576772), (76, 1037350), (95, 829880), (100, 788386), (152, 518675), (190, 414940), (200, 394193), (380, 207470), (475, 165976), (760, 103735), (950, 82988), (1900, 41494), (3800, 20747)]