90938260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{649559}}^1$

素因数の和:649575

約数の個数: 24

約数和(自身を含む): 218252160

約数和(自身を除く): 127313900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 649559, 1299118, 2598236, 3247795, 4546913, 6495590, 9093826, 12991180, 18187652, 22734565, 45469130, 90938260]

約数ペア:

[(1, 90938260), (2, 45469130), (4, 22734565), (5, 18187652), (7, 12991180), (10, 9093826), (14, 6495590), (20, 4546913), (28, 3247795), (35, 2598236), (70, 1299118), (140, 649559)]