2017397780

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{374981}}^1$

素因数の和:375259

約数の個数: 24

約数和(自身を含む): 4252295880

約数和(自身を除く): 2234898100

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5380, 374981, 749962, 1499924, 1874905, 3749810, 7499620, 100869889, 201739778, 403479556, 504349445, 1008698890, 2017397780]

約数ペア:

[(1, 2017397780), (2, 1008698890), (4, 504349445), (5, 403479556), (10, 201739778), (20, 100869889), (269, 7499620), (538, 3749810), (1076, 1874905), (1345, 1499924), (2690, 749962), (5380, 374981)]