28451750

素因数分解:

$2^1\times 5^3\times {\mathrm{73}}^1\times {\mathrm{1559}}^1$

素因数の和:1649

約数の個数: 32

約数和(自身を含む): 54025920

約数和(自身を除く): 25574170

約数列:

[1, 2, 5, 10, 25, 50, 73, 125, 146, 250, 365, 730, 1559, 1825, 3118, 3650, 7795, 9125, 15590, 18250, 38975, 77950, 113807, 194875, 227614, 389750, 569035, 1138070, 2845175, 5690350, 14225875, 28451750]

約数ペア:

[(1, 28451750), (2, 14225875), (5, 5690350), (10, 2845175), (25, 1138070), (50, 569035), (73, 389750), (125, 227614), (146, 194875), (250, 113807), (365, 77950), (730, 38975), (1559, 18250), (1825, 15590), (3118, 9125), (3650, 7795)]