288236875

素因数分解:

$5^4\times {\mathrm{109}}^1\times {\mathrm{4231}}^1$

素因数の和:4360

約数の個数: 20

約数和(自身を含む): 363571120

約数和(自身を除く): 75334245

約数列:

[1, 5, 25, 109, 125, 545, 625, 2725, 4231, 13625, 21155, 68125, 105775, 461179, 528875, 2305895, 2644375, 11529475, 57647375, 288236875]

約数ペア:

[(1, 288236875), (5, 57647375), (25, 11529475), (109, 2644375), (125, 2305895), (545, 528875), (625, 461179), (2725, 105775), (4231, 68125), (13625, 21155)]