225625220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{5479}}^1$

素因数の和:5588

約数の個数: 48

約数和(自身を含む): 497145600

約数和(自身を除く): 271520380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 71, 116, 142, 145, 284, 290, 355, 580, 710, 1420, 2059, 4118, 5479, 8236, 10295, 10958, 20590, 21916, 27395, 41180, 54790, 109580, 158891, 317782, 389009, 635564, 778018, 794455, 1556036, 1588910, 1945045, 3177820, 3890090, 7780180, 11281261, 22562522, 45125044, 56406305, 112812610, 225625220]

約数ペア:

[(1, 225625220), (2, 112812610), (4, 56406305), (5, 45125044), (10, 22562522), (20, 11281261), (29, 7780180), (58, 3890090), (71, 3177820), (116, 1945045), (142, 1588910), (145, 1556036), (284, 794455), (290, 778018), (355, 635564), (580, 389009), (710, 317782), (1420, 158891), (2059, 109580), (4118, 54790), (5479, 41180), (8236, 27395), (10295, 21916), (10958, 20590)]