163945740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{390347}}^1$

素因数の和:390366

約数の個数: 48

約数和(自身を含む): 524627712

約数和(自身を除く): 360681972

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 390347, 780694, 1171041, 1561388, 1951735, 2342082, 2732429, 3903470, 4684164, 5464858, 5855205, 7806940, 8197287, 10929716, 11710410, 13662145, 16394574, 23420820, 27324290, 32789148, 40986435, 54648580, 81972870, 163945740]

約数ペア:

[(1, 163945740), (2, 81972870), (3, 54648580), (4, 40986435), (5, 32789148), (6, 27324290), (7, 23420820), (10, 16394574), (12, 13662145), (14, 11710410), (15, 10929716), (20, 8197287), (21, 7806940), (28, 5855205), (30, 5464858), (35, 4684164), (42, 3903470), (60, 2732429), (70, 2342082), (84, 1951735), (105, 1561388), (140, 1171041), (210, 780694), (420, 390347)]