28072300

素因数分解:

$2^2\times 5^2\times {\mathrm{347}}^1\times {\mathrm{809}}^1$

素因数の和:1170

約数の個数: 36

約数和(自身を含む): 61167960

約数和(自身を除く): 33095660

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 347, 694, 809, 1388, 1618, 1735, 3236, 3470, 4045, 6940, 8090, 8675, 16180, 17350, 20225, 34700, 40450, 80900, 280723, 561446, 1122892, 1403615, 2807230, 5614460, 7018075, 14036150, 28072300]

約数ペア:

[(1, 28072300), (2, 14036150), (4, 7018075), (5, 5614460), (10, 2807230), (20, 1403615), (25, 1122892), (50, 561446), (100, 280723), (347, 80900), (694, 40450), (809, 34700), (1388, 20225), (1618, 17350), (1735, 16180), (3236, 8675), (3470, 8090), (4045, 6940)]