1889020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 4612608

約数和(自身を除く): 2723588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 131, 140, 206, 262, 412, 515, 524, 655, 721, 917, 1030, 1310, 1442, 1834, 2060, 2620, 2884, 3605, 3668, 4585, 7210, 9170, 13493, 14420, 18340, 26986, 53972, 67465, 94451, 134930, 188902, 269860, 377804, 472255, 944510, 1889020]

約数ペア:

[(1, 1889020), (2, 944510), (4, 472255), (5, 377804), (7, 269860), (10, 188902), (14, 134930), (20, 94451), (28, 67465), (35, 53972), (70, 26986), (103, 18340), (131, 14420), (140, 13493), (206, 9170), (262, 7210), (412, 4585), (515, 3668), (524, 3605), (655, 2884), (721, 2620), (917, 2060), (1030, 1834), (1310, 1442)]