61957780

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 133111440

約数和(自身を除く): 71153660

約数列:

[1, 2, 4, 5, 10, 20, 97, 109, 194, 218, 293, 388, 436, 485, 545, 586, 970, 1090, 1172, 1465, 1940, 2180, 2930, 5860, 10573, 21146, 28421, 31937, 42292, 52865, 56842, 63874, 105730, 113684, 127748, 142105, 159685, 211460, 284210, 319370, 568420, 638740, 3097889, 6195778, 12391556, 15489445, 30978890, 61957780]

約数ペア:

[(1, 61957780), (2, 30978890), (4, 15489445), (5, 12391556), (10, 6195778), (20, 3097889), (97, 638740), (109, 568420), (194, 319370), (218, 284210), (293, 211460), (388, 159685), (436, 142105), (485, 127748), (545, 113684), (586, 105730), (970, 63874), (1090, 56842), (1172, 52865), (1465, 42292), (1940, 31937), (2180, 28421), (2930, 21146), (5860, 10573)]