263428340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1881631}}^1$

素因数の和:1881647

約数の個数: 24

約数和(自身を含む): 632228352

約数和(自身を除く): 368800012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1881631, 3763262, 7526524, 9408155, 13171417, 18816310, 26342834, 37632620, 52685668, 65857085, 131714170, 263428340]

約数ペア:

[(1, 263428340), (2, 131714170), (4, 65857085), (5, 52685668), (7, 37632620), (10, 26342834), (14, 18816310), (20, 13171417), (28, 9408155), (35, 7526524), (70, 3763262), (140, 1881631)]