458000

素因数分解:

$2^4\times 5^3\times {\mathrm{229}}^1$

素因数の和:252

約数の個数: 40

約数和(自身を含む): 1112280

約数和(自身を除く): 654280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 229, 250, 400, 458, 500, 916, 1000, 1145, 1832, 2000, 2290, 3664, 4580, 5725, 9160, 11450, 18320, 22900, 28625, 45800, 57250, 91600, 114500, 229000, 458000]

約数ペア:

[(1, 458000), (2, 229000), (4, 114500), (5, 91600), (8, 57250), (10, 45800), (16, 28625), (20, 22900), (25, 18320), (40, 11450), (50, 9160), (80, 5725), (100, 4580), (125, 3664), (200, 2290), (229, 2000), (250, 1832), (400, 1145), (458, 1000), (500, 916)]