204732290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{417821}}^1$

素因数の和:417842

約数の個数: 24

約数和(自身を含む): 428685372

約数和(自身を除く): 223953082

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 417821, 835642, 2089105, 2924747, 4178210, 5849494, 14623735, 20473229, 29247470, 40946458, 102366145, 204732290]

約数ペア:

[(1, 204732290), (2, 102366145), (5, 40946458), (7, 29247470), (10, 20473229), (14, 14623735), (35, 5849494), (49, 4178210), (70, 2924747), (98, 2089105), (245, 835642), (490, 417821)]