2100890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:358

約数の個数: 32

約数和(自身を含む): 4199040

約数和(自身を除く): 2098150

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 269, 355, 538, 710, 781, 1345, 1562, 2690, 2959, 3905, 5918, 7810, 14795, 19099, 29590, 38198, 95495, 190990, 210089, 420178, 1050445, 2100890]

約数ペア:

[(1, 2100890), (2, 1050445), (5, 420178), (10, 210089), (11, 190990), (22, 95495), (55, 38198), (71, 29590), (110, 19099), (142, 14795), (269, 7810), (355, 5918), (538, 3905), (710, 2959), (781, 2690), (1345, 1562)]