1989989470

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{4061203}}^1$

素因数の和:4061224

約数の個数: 24

約数和(自身を含む): 4166795304

約数和(自身を除く): 2176805834

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 4061203, 8122406, 20306015, 28428421, 40612030, 56856842, 142142105, 198998947, 284284210, 397997894, 994994735, 1989989470]

約数ペア:

[(1, 1989989470), (2, 994994735), (5, 397997894), (7, 284284210), (10, 198998947), (14, 142142105), (35, 56856842), (49, 40612030), (70, 28428421), (98, 20306015), (245, 8122406), (490, 4061203)]