284421875

素因数分解:

$5^6\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:306

約数の個数: 28

約数和(自身を含む): 360932880

約数和(自身を除く): 76511005

約数列:

[1, 5, 25, 109, 125, 167, 545, 625, 835, 2725, 3125, 4175, 13625, 15625, 18203, 20875, 68125, 91015, 104375, 340625, 455075, 521875, 1703125, 2275375, 2609375, 11376875, 56884375, 284421875]

約数ペア:

[(1, 284421875), (5, 56884375), (25, 11376875), (109, 2609375), (125, 2275375), (167, 1703125), (545, 521875), (625, 455075), (835, 340625), (2725, 104375), (3125, 91015), (4175, 68125), (13625, 20875), (15625, 18203)]