79380490

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{23143}}^1$

素因数の和:23171

約数の個数: 32

約数和(自身を含む): 166636800

約数和(自身を除く): 87256310

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 23143, 46286, 115715, 162001, 231430, 324002, 810005, 1134007, 1620010, 2268014, 5670035, 7938049, 11340070, 15876098, 39690245, 79380490]

約数ペア:

[(1, 79380490), (2, 39690245), (5, 15876098), (7, 11340070), (10, 7938049), (14, 5670035), (35, 2268014), (49, 1620010), (70, 1134007), (98, 810005), (245, 324002), (343, 231430), (490, 162001), (686, 115715), (1715, 46286), (3430, 23143)]