74816875

素因数分解:

$5^4\times 7^3\times {\mathrm{349}}^1$

素因数の和:390

約数の個数: 40

約数和(自身を含む): 109340000

約数和(自身を除く): 34523125

約数列:

[1, 5, 7, 25, 35, 49, 125, 175, 245, 343, 349, 625, 875, 1225, 1715, 1745, 2443, 4375, 6125, 8575, 8725, 12215, 17101, 30625, 42875, 43625, 61075, 85505, 119707, 214375, 218125, 305375, 427525, 598535, 1526875, 2137625, 2992675, 10688125, 14963375, 74816875]

約数ペア:

[(1, 74816875), (5, 14963375), (7, 10688125), (25, 2992675), (35, 2137625), (49, 1526875), (125, 598535), (175, 427525), (245, 305375), (343, 218125), (349, 214375), (625, 119707), (875, 85505), (1225, 61075), (1715, 43625), (1745, 42875), (2443, 30625), (4375, 17101), (6125, 12215), (8575, 8725)]