38900900

素因数分解:

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

素因数の和:5564

約数の個数: 36

約数和(自身を含む): 85619520

約数和(自身を除く): 46718620

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 3550, 5479, 7100, 10958, 21916, 27395, 54790, 109580, 136975, 273950, 389009, 547900, 778018, 1556036, 1945045, 3890090, 7780180, 9725225, 19450450, 38900900]

約数ペア:

[(1, 38900900), (2, 19450450), (4, 9725225), (5, 7780180), (10, 3890090), (20, 1945045), (25, 1556036), (50, 778018), (71, 547900), (100, 389009), (142, 273950), (284, 136975), (355, 109580), (710, 54790), (1420, 27395), (1775, 21916), (3550, 10958), (5479, 7100)]