9709900

素因数分解:

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

素因数の和:1194

約数の個数: 36

約数和(自身を含む): 21326760

約数和(自身を除く): 11616860

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 356, 445, 890, 1091, 1780, 2182, 2225, 4364, 4450, 5455, 8900, 10910, 21820, 27275, 54550, 97099, 109100, 194198, 388396, 485495, 970990, 1941980, 2427475, 4854950, 9709900]

約数ペア:

[(1, 9709900), (2, 4854950), (4, 2427475), (5, 1941980), (10, 970990), (20, 485495), (25, 388396), (50, 194198), (89, 109100), (100, 97099), (178, 54550), (356, 27275), (445, 21820), (890, 10910), (1091, 8900), (1780, 5455), (2182, 4450), (2225, 4364)]