1862980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1901}}^1$

素因数の和:1924

約数の個数: 36

約数和(自身を含む): 4553388

約数和(自身を除く): 2690408

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1901, 3802, 7604, 9505, 13307, 19010, 26614, 38020, 53228, 66535, 93149, 133070, 186298, 266140, 372596, 465745, 931490, 1862980]

約数ペア:

[(1, 1862980), (2, 931490), (4, 465745), (5, 372596), (7, 266140), (10, 186298), (14, 133070), (20, 93149), (28, 66535), (35, 53228), (49, 38020), (70, 26614), (98, 19010), (140, 13307), (196, 9505), (245, 7604), (490, 3802), (980, 1901)]