204875780

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{269}}^1\times {\mathrm{337}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 436952880

約数和(自身を除く): 232077100

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 269, 337, 452, 538, 565, 674, 1076, 1130, 1345, 1348, 1685, 2260, 2690, 3370, 5380, 6740, 30397, 38081, 60794, 76162, 90653, 121588, 151985, 152324, 181306, 190405, 303970, 362612, 380810, 453265, 607940, 761620, 906530, 1813060, 10243789, 20487578, 40975156, 51218945, 102437890, 204875780]

約数ペア:

[(1, 204875780), (2, 102437890), (4, 51218945), (5, 40975156), (10, 20487578), (20, 10243789), (113, 1813060), (226, 906530), (269, 761620), (337, 607940), (452, 453265), (538, 380810), (565, 362612), (674, 303970), (1076, 190405), (1130, 181306), (1345, 152324), (1348, 151985), (1685, 121588), (2260, 90653), (2690, 76162), (3370, 60794), (5380, 38081), (6740, 30397)]