4188740

素因数分解:

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

素因数の和:252

約数の個数: 48

約数和(自身を含む): 9448320

約数和(自身を除く): 5259580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 151, 190, 292, 302, 365, 380, 604, 730, 755, 1387, 1460, 1510, 2774, 2869, 3020, 5548, 5738, 6935, 11023, 11476, 13870, 14345, 22046, 27740, 28690, 44092, 55115, 57380, 110230, 209437, 220460, 418874, 837748, 1047185, 2094370, 4188740]

約数ペア:

[(1, 4188740), (2, 2094370), (4, 1047185), (5, 837748), (10, 418874), (19, 220460), (20, 209437), (38, 110230), (73, 57380), (76, 55115), (95, 44092), (146, 28690), (151, 27740), (190, 22046), (292, 14345), (302, 13870), (365, 11476), (380, 11023), (604, 6935), (730, 5738), (755, 5548), (1387, 3020), (1460, 2869), (1510, 2774)]