216228425

素因数分解:

$5^2\times 7^2\times {\mathrm{199}}^1\times {\mathrm{887}}^1$

素因数の和:1110

約数の個数: 36

約数和(自身を含む): 313819200

約数和(自身を除く): 97590775

約数列:

[1, 5, 7, 25, 35, 49, 175, 199, 245, 887, 995, 1225, 1393, 4435, 4975, 6209, 6965, 9751, 22175, 31045, 34825, 43463, 48755, 155225, 176513, 217315, 243775, 882565, 1086575, 1235591, 4412825, 6177955, 8649137, 30889775, 43245685, 216228425]

約数ペア:

[(1, 216228425), (5, 43245685), (7, 30889775), (25, 8649137), (35, 6177955), (49, 4412825), (175, 1235591), (199, 1086575), (245, 882565), (887, 243775), (995, 217315), (1225, 176513), (1393, 155225), (4435, 48755), (4975, 43463), (6209, 34825), (6965, 31045), (9751, 22175)]