8377480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 20246400

約数和(自身を除く): 11868920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 73, 76, 95, 146, 151, 152, 190, 292, 302, 365, 380, 584, 604, 730, 755, 760, 1208, 1387, 1460, 1510, 2774, 2869, 2920, 3020, 5548, 5738, 6040, 6935, 11023, 11096, 11476, 13870, 14345, 22046, 22952, 27740, 28690, 44092, 55115, 55480, 57380, 88184, 110230, 114760, 209437, 220460, 418874, 440920, 837748, 1047185, 1675496, 2094370, 4188740, 8377480]

約数ペア:

[(1, 8377480), (2, 4188740), (4, 2094370), (5, 1675496), (8, 1047185), (10, 837748), (19, 440920), (20, 418874), (38, 220460), (40, 209437), (73, 114760), (76, 110230), (95, 88184), (146, 57380), (151, 55480), (152, 55115), (190, 44092), (292, 28690), (302, 27740), (365, 22952), (380, 22046), (584, 14345), (604, 13870), (730, 11476), (755, 11096), (760, 11023), (1208, 6935), (1387, 6040), (1460, 5738), (1510, 5548), (2774, 3020), (2869, 2920)]