203323600

素因数分解:

$2^4\times 5^2\times {\mathrm{661}}^1\times {\mathrm{769}}^1$

素因数の和:1448

約数の個数: 60

約数和(自身を含む): 489860140

約数和(自身を除く): 286536540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 661, 769, 1322, 1538, 2644, 3076, 3305, 3845, 5288, 6152, 6610, 7690, 10576, 12304, 13220, 15380, 16525, 19225, 26440, 30760, 33050, 38450, 52880, 61520, 66100, 76900, 132200, 153800, 264400, 307600, 508309, 1016618, 2033236, 2541545, 4066472, 5083090, 8132944, 10166180, 12707725, 20332360, 25415450, 40664720, 50830900, 101661800, 203323600]

約数ペア:

[(1, 203323600), (2, 101661800), (4, 50830900), (5, 40664720), (8, 25415450), (10, 20332360), (16, 12707725), (20, 10166180), (25, 8132944), (40, 5083090), (50, 4066472), (80, 2541545), (100, 2033236), (200, 1016618), (400, 508309), (661, 307600), (769, 264400), (1322, 153800), (1538, 132200), (2644, 76900), (3076, 66100), (3305, 61520), (3845, 52880), (5288, 38450), (6152, 33050), (6610, 30760), (7690, 26440), (10576, 19225), (12304, 16525), (13220, 15380)]