257977360

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{68611}}^1$

素因数の和:68671

約数の個数: 40

約数和(自身を含む): 612567936

約数和(自身を除く): 354590576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 68611, 137222, 274444, 343055, 548888, 686110, 1097776, 1372220, 2744440, 3224717, 5488880, 6449434, 12898868, 16123585, 25797736, 32247170, 51595472, 64494340, 128988680, 257977360]

約数ペア:

[(1, 257977360), (2, 128988680), (4, 64494340), (5, 51595472), (8, 32247170), (10, 25797736), (16, 16123585), (20, 12898868), (40, 6449434), (47, 5488880), (80, 3224717), (94, 2744440), (188, 1372220), (235, 1097776), (376, 686110), (470, 548888), (752, 343055), (940, 274444), (1880, 137222), (3760, 68611)]