1947260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1987}}^1$

素因数の和:2010

約数の個数: 36

約数和(自身を含む): 4759272

約数和(自身を除く): 2812012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1987, 3974, 7948, 9935, 13909, 19870, 27818, 39740, 55636, 69545, 97363, 139090, 194726, 278180, 389452, 486815, 973630, 1947260]

約数ペア:

[(1, 1947260), (2, 973630), (4, 486815), (5, 389452), (7, 278180), (10, 194726), (14, 139090), (20, 97363), (28, 69545), (35, 55636), (49, 39740), (70, 27818), (98, 19870), (140, 13909), (196, 9935), (245, 7948), (490, 3974), (980, 1987)]