2546060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 5951232

約数和(自身を除く): 3405172

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 163, 220, 284, 326, 355, 652, 710, 781, 815, 1420, 1562, 1630, 1793, 3124, 3260, 3586, 3905, 7172, 7810, 8965, 11573, 15620, 17930, 23146, 35860, 46292, 57865, 115730, 127303, 231460, 254606, 509212, 636515, 1273030, 2546060]

約数ペア:

[(1, 2546060), (2, 1273030), (4, 636515), (5, 509212), (10, 254606), (11, 231460), (20, 127303), (22, 115730), (44, 57865), (55, 46292), (71, 35860), (110, 23146), (142, 17930), (163, 15620), (220, 11573), (284, 8965), (326, 7810), (355, 7172), (652, 3905), (710, 3586), (781, 3260), (815, 3124), (1420, 1793), (1562, 1630)]