7788340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{55631}}^1$

素因数の和:55647

約数の個数: 24

約数和(自身を含む): 18692352

約数和(自身を除く): 10904012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 55631, 111262, 222524, 278155, 389417, 556310, 778834, 1112620, 1557668, 1947085, 3894170, 7788340]

約数ペア:

[(1, 7788340), (2, 3894170), (4, 1947085), (5, 1557668), (7, 1112620), (10, 778834), (14, 556310), (20, 389417), (28, 278155), (35, 222524), (70, 111262), (140, 55631)]