99841780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{2179}}^1$

素因数の和:2296

約数の個数: 48

約数和(自身を含む): 219744000

約数和(自身を除く): 119902220

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 79, 116, 145, 158, 290, 316, 395, 580, 790, 1580, 2179, 2291, 4358, 4582, 8716, 9164, 10895, 11455, 21790, 22910, 43580, 45820, 63191, 126382, 172141, 252764, 315955, 344282, 631910, 688564, 860705, 1263820, 1721410, 3442820, 4992089, 9984178, 19968356, 24960445, 49920890, 99841780]

約数ペア:

[(1, 99841780), (2, 49920890), (4, 24960445), (5, 19968356), (10, 9984178), (20, 4992089), (29, 3442820), (58, 1721410), (79, 1263820), (116, 860705), (145, 688564), (158, 631910), (290, 344282), (316, 315955), (395, 252764), (580, 172141), (790, 126382), (1580, 63191), (2179, 45820), (2291, 43580), (4358, 22910), (4582, 21790), (8716, 11455), (9164, 10895)]