243274375

素因数分解:

$5^4\times {\mathrm{109}}^1\times {\mathrm{3571}}^1$

素因数の和:3700

約数の個数: 20

約数和(自身を含む): 306870520

約数和(自身を除く): 63596145

約数列:

[1, 5, 25, 109, 125, 545, 625, 2725, 3571, 13625, 17855, 68125, 89275, 389239, 446375, 1946195, 2231875, 9730975, 48654875, 243274375]

約数ペア:

[(1, 243274375), (5, 48654875), (25, 9730975), (109, 2231875), (125, 1946195), (545, 446375), (625, 389239), (2725, 89275), (3571, 68125), (13625, 17855)]