201690820

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{37489}}^1$

素因数の和:37767

約数の個数: 24

約数和(自身を含む): 425136600

約数和(自身を除く): 223445780

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5380, 37489, 74978, 149956, 187445, 374890, 749780, 10084541, 20169082, 40338164, 50422705, 100845410, 201690820]

約数ペア:

[(1, 201690820), (2, 100845410), (4, 50422705), (5, 40338164), (10, 20169082), (20, 10084541), (269, 749780), (538, 374890), (1076, 187445), (1345, 149956), (2690, 74978), (5380, 37489)]