1242940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2143}}^1$

素因数の和:2181

約数の個数: 24

約数和(自身を含む): 2701440

約数和(自身を除く): 1458500

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 2143, 4286, 8572, 10715, 21430, 42860, 62147, 124294, 248588, 310735, 621470, 1242940]

約数ペア:

[(1, 1242940), (2, 621470), (4, 310735), (5, 248588), (10, 124294), (20, 62147), (29, 42860), (58, 21430), (116, 10715), (145, 8572), (290, 4286), (580, 2143)]