402742480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{719183}}^1$

素因数の和:719203

約数の個数: 40

約数和(自身を含む): 1070145792

約数和(自身を除く): 667403312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 719183, 1438366, 2876732, 3595915, 5034281, 5753464, 7191830, 10068562, 11506928, 14383660, 20137124, 25171405, 28767320, 40274248, 50342810, 57534640, 80548496, 100685620, 201371240, 402742480]

約数ペア:

[(1, 402742480), (2, 201371240), (4, 100685620), (5, 80548496), (7, 57534640), (8, 50342810), (10, 40274248), (14, 28767320), (16, 25171405), (20, 20137124), (28, 14383660), (35, 11506928), (40, 10068562), (56, 7191830), (70, 5753464), (80, 5034281), (112, 3595915), (140, 2876732), (280, 1438366), (560, 719183)]