397990910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{123217}}^1$

素因数の和:123260

約数の個数: 32

約数和(自身を含む): 798452640

約数和(自身を除く): 400461730

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 123217, 246434, 616085, 1232170, 2094689, 2341123, 4189378, 4682246, 10473445, 11705615, 20946890, 23411230, 39799091, 79598182, 198995455, 397990910]

約数ペア:

[(1, 397990910), (2, 198995455), (5, 79598182), (10, 39799091), (17, 23411230), (19, 20946890), (34, 11705615), (38, 10473445), (85, 4682246), (95, 4189378), (170, 2341123), (190, 2094689), (323, 1232170), (646, 616085), (1615, 246434), (3230, 123217)]