977883880

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{520151}}^1$

素因数の和:520209

約数の個数: 32

約数和(自身を含む): 2247056640

約数和(自身を除く): 1269172760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 520151, 1040302, 2080604, 2600755, 4161208, 5201510, 10403020, 20806040, 24447097, 48894194, 97788388, 122235485, 195576776, 244470970, 488941940, 977883880]

約数ペア:

[(1, 977883880), (2, 488941940), (4, 244470970), (5, 195576776), (8, 122235485), (10, 97788388), (20, 48894194), (40, 24447097), (47, 20806040), (94, 10403020), (188, 5201510), (235, 4161208), (376, 2600755), (470, 2080604), (940, 1040302), (1880, 520151)]