389620460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{44579}}^1$

素因数の和:44630

約数の個数: 48

約数和(自身を含む): 898732800

約数和(自身を除く): 509112340

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 8740, 44579, 89158, 178316, 222895, 445790, 847001, 891580, 1025317, 1694002, 2050634, 3388004, 4101268, 4235005, 5126585, 8470010, 10253170, 16940020, 19481023, 20506340, 38962046, 77924092, 97405115, 194810230, 389620460]

約数ペア:

[(1, 389620460), (2, 194810230), (4, 97405115), (5, 77924092), (10, 38962046), (19, 20506340), (20, 19481023), (23, 16940020), (38, 10253170), (46, 8470010), (76, 5126585), (92, 4235005), (95, 4101268), (115, 3388004), (190, 2050634), (230, 1694002), (380, 1025317), (437, 891580), (460, 847001), (874, 445790), (1748, 222895), (2185, 178316), (4370, 89158), (8740, 44579)]