289451875

素因数分解:

$5^4\times {\mathrm{349}}^1\times {\mathrm{1327}}^1$

素因数の和:1696

約数の個数: 20

約数和(自身を含む): 363008800

約数和(自身を除く): 73556925

約数列:

[1, 5, 25, 125, 349, 625, 1327, 1745, 6635, 8725, 33175, 43625, 165875, 218125, 463123, 829375, 2315615, 11578075, 57890375, 289451875]

約数ペア:

[(1, 289451875), (5, 57890375), (25, 11578075), (125, 2315615), (349, 829375), (625, 463123), (1327, 218125), (1745, 165875), (6635, 43625), (8725, 33175)]