7788982180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{7947941}}^1$

素因数の和:7947964

約数の個数: 36

約数和(自身を含む): 19027373148

約数和(自身を除く): 11238390968

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 7947941, 15895882, 31791764, 39739705, 55635587, 79479410, 111271174, 158958820, 222542348, 278177935, 389449109, 556355870, 778898218, 1112711740, 1557796436, 1947245545, 3894491090, 7788982180]

約数ペア:

[(1, 7788982180), (2, 3894491090), (4, 1947245545), (5, 1557796436), (7, 1112711740), (10, 778898218), (14, 556355870), (20, 389449109), (28, 278177935), (35, 222542348), (49, 158958820), (70, 111271174), (98, 79479410), (140, 55635587), (196, 39739705), (245, 31791764), (490, 15895882), (980, 7947941)]