164785740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{392347}}^1$

素因数の和:392366

約数の個数: 48

約数和(自身を含む): 527315712

約数和(自身を除く): 362529972

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, 392347, 784694, 1177041, 1569388, 1961735, 2354082, 2746429, 3923470, 4708164, 5492858, 5885205, 7846940, 8239287, 10985716, 11770410, 13732145, 16478574, 23540820, 27464290, 32957148, 41196435, 54928580, 82392870, 164785740]

約数ペア:

[(1, 164785740), (2, 82392870), (3, 54928580), (4, 41196435), (5, 32957148), (6, 27464290), (7, 23540820), (10, 16478574), (12, 13732145), (14, 11770410), (15, 10985716), (20, 8239287), (21, 7846940), (28, 5885205), (30, 5492858), (35, 4708164), (42, 3923470), (60, 2746429), (70, 2354082), (84, 1961735), (105, 1569388), (140, 1177041), (210, 784694), (420, 392347)]