87990250

素因数分解:

$2^1\times 5^3\times {\mathrm{109}}^1\times {\mathrm{3229}}^1$

素因数の和:3355

約数の個数: 32

約数和(自身を含む): 166280400

約数和(自身を除く): 78290150

約数列:

[1, 2, 5, 10, 25, 50, 109, 125, 218, 250, 545, 1090, 2725, 3229, 5450, 6458, 13625, 16145, 27250, 32290, 80725, 161450, 351961, 403625, 703922, 807250, 1759805, 3519610, 8799025, 17598050, 43995125, 87990250]

約数ペア:

[(1, 87990250), (2, 43995125), (5, 17598050), (10, 8799025), (25, 3519610), (50, 1759805), (109, 807250), (125, 703922), (218, 403625), (250, 351961), (545, 161450), (1090, 80725), (2725, 32290), (3229, 27250), (5450, 16145), (6458, 13625)]