1890140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{587}}^1$

素因数の和:626

約数の個数: 48

約数和(自身を含む): 4741632

約数和(自身を除く): 2851492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 587, 644, 805, 1174, 1610, 2348, 2935, 3220, 4109, 5870, 8218, 11740, 13501, 16436, 20545, 27002, 41090, 54004, 67505, 82180, 94507, 135010, 189014, 270020, 378028, 472535, 945070, 1890140]

約数ペア:

[(1, 1890140), (2, 945070), (4, 472535), (5, 378028), (7, 270020), (10, 189014), (14, 135010), (20, 94507), (23, 82180), (28, 67505), (35, 54004), (46, 41090), (70, 27002), (92, 20545), (115, 16436), (140, 13501), (161, 11740), (230, 8218), (322, 5870), (460, 4109), (587, 3220), (644, 2935), (805, 2348), (1174, 1610)]