28484900

素因数分解:

$2^2\times 5^2\times {\mathrm{443}}^1\times {\mathrm{643}}^1$

素因数の和:1100

約数の個数: 36

約数和(自身を含む): 62048112

約数和(自身を除く): 33563212

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 443, 643, 886, 1286, 1772, 2215, 2572, 3215, 4430, 6430, 8860, 11075, 12860, 16075, 22150, 32150, 44300, 64300, 284849, 569698, 1139396, 1424245, 2848490, 5696980, 7121225, 14242450, 28484900]

約数ペア:

[(1, 28484900), (2, 14242450), (4, 7121225), (5, 5696980), (10, 2848490), (20, 1424245), (25, 1139396), (50, 569698), (100, 284849), (443, 64300), (643, 44300), (886, 32150), (1286, 22150), (1772, 16075), (2215, 12860), (2572, 11075), (3215, 8860), (4430, 6430)]