831462820

素因数分解:

$2^2\times 5^1\times {\mathrm{2179}}^1\times {\mathrm{19079}}^1$

素因数の和:21267

約数の個数: 24

約数和(自身を含む): 1746964800

約数和(自身を除く): 915501980

約数列:

[1, 2, 4, 5, 10, 20, 2179, 4358, 8716, 10895, 19079, 21790, 38158, 43580, 76316, 95395, 190790, 381580, 41573141, 83146282, 166292564, 207865705, 415731410, 831462820]

約数ペア:

[(1, 831462820), (2, 415731410), (4, 207865705), (5, 166292564), (10, 83146282), (20, 41573141), (2179, 381580), (4358, 190790), (8716, 95395), (10895, 76316), (19079, 43580), (21790, 38158)]