970990

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1091}}^1$

素因数の和:1187

約数の個数: 16

約数和(自身を含む): 1769040

約数和(自身を除く): 798050

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 1091, 2182, 5455, 10910, 97099, 194198, 485495, 970990]

約数ペア:

[(1, 970990), (2, 485495), (5, 194198), (10, 97099), (89, 10910), (178, 5455), (445, 2182), (890, 1091)]