402032820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{957221}}^1$

素因数の和:957240

約数の個数: 48

約数和(自身を含む): 1286506368

約数和(自身を除く): 884473548

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, 957221, 1914442, 2871663, 3828884, 4786105, 5743326, 6700547, 9572210, 11486652, 13401094, 14358315, 19144420, 20101641, 26802188, 28716630, 33502735, 40203282, 57433260, 67005470, 80406564, 100508205, 134010940, 201016410, 402032820]

約数ペア:

[(1, 402032820), (2, 201016410), (3, 134010940), (4, 100508205), (5, 80406564), (6, 67005470), (7, 57433260), (10, 40203282), (12, 33502735), (14, 28716630), (15, 26802188), (20, 20101641), (21, 19144420), (28, 14358315), (30, 13401094), (35, 11486652), (42, 9572210), (60, 6700547), (70, 5743326), (84, 4786105), (105, 3828884), (140, 2871663), (210, 1914442), (420, 957221)]