290428145

素因数分解:

$5^1\times 7^2\times {\mathrm{599}}^1\times {\mathrm{1979}}^1$

素因数の和:2597

約数の個数: 24

約数和(自身を含む): 406296000

約数和(自身を除く): 115867855

約数列:

[1, 5, 7, 35, 49, 245, 599, 1979, 2995, 4193, 9895, 13853, 20965, 29351, 69265, 96971, 146755, 484855, 1185421, 5927105, 8297947, 41489735, 58085629, 290428145]

約数ペア:

[(1, 290428145), (5, 58085629), (7, 41489735), (35, 8297947), (49, 5927105), (245, 1185421), (599, 484855), (1979, 146755), (2995, 96971), (4193, 69265), (9895, 29351), (13853, 20965)]