209250500

素因数分解:

$2^2\times 5^3\times {\mathrm{431}}^1\times {\mathrm{971}}^1$

素因数の和:1421

約数の個数: 48

約数和(自身を含む): 458535168

約数和(自身を除く): 249284668

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 431, 500, 862, 971, 1724, 1942, 2155, 3884, 4310, 4855, 8620, 9710, 10775, 19420, 21550, 24275, 43100, 48550, 53875, 97100, 107750, 121375, 215500, 242750, 418501, 485500, 837002, 1674004, 2092505, 4185010, 8370020, 10462525, 20925050, 41850100, 52312625, 104625250, 209250500]

約数ペア:

[(1, 209250500), (2, 104625250), (4, 52312625), (5, 41850100), (10, 20925050), (20, 10462525), (25, 8370020), (50, 4185010), (100, 2092505), (125, 1674004), (250, 837002), (431, 485500), (500, 418501), (862, 242750), (971, 215500), (1724, 121375), (1942, 107750), (2155, 97100), (3884, 53875), (4310, 48550), (4855, 43100), (8620, 24275), (9710, 21550), (10775, 19420)]