42660625

素因数分解:

$5^4\times 7^3\times {\mathrm{199}}^1$

素因数の和:240

約数の個数: 40

約数和(自身を含む): 62480000

約数和(自身を除く): 19819375

約数列:

[1, 5, 7, 25, 35, 49, 125, 175, 199, 245, 343, 625, 875, 995, 1225, 1393, 1715, 4375, 4975, 6125, 6965, 8575, 9751, 24875, 30625, 34825, 42875, 48755, 68257, 124375, 174125, 214375, 243775, 341285, 870625, 1218875, 1706425, 6094375, 8532125, 42660625]

約数ペア:

[(1, 42660625), (5, 8532125), (7, 6094375), (25, 1706425), (35, 1218875), (49, 870625), (125, 341285), (175, 243775), (199, 214375), (245, 174125), (343, 124375), (625, 68257), (875, 48755), (995, 42875), (1225, 34825), (1393, 30625), (1715, 24875), (4375, 9751), (4975, 8575), (6125, 6965)]