56978690

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{877}}^1$

素因数の和:1046

約数の個数: 32

約数和(自身を含む): 105254640

約数和(自身を除く): 48275950

約数列:

[1, 2, 5, 10, 73, 89, 146, 178, 365, 445, 730, 877, 890, 1754, 4385, 6497, 8770, 12994, 32485, 64021, 64970, 78053, 128042, 156106, 320105, 390265, 640210, 780530, 5697869, 11395738, 28489345, 56978690]

約数ペア:

[(1, 56978690), (2, 28489345), (5, 11395738), (10, 5697869), (73, 780530), (89, 640210), (146, 390265), (178, 320105), (365, 156106), (445, 128042), (730, 78053), (877, 64970), (890, 64021), (1754, 32485), (4385, 12994), (6497, 8770)]