253540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1811}}^1$

素因数の和:1827

約数の個数: 24

約数和(自身を含む): 608832

約数和(自身を除く): 355292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1811, 3622, 7244, 9055, 12677, 18110, 25354, 36220, 50708, 63385, 126770, 253540]

約数ペア:

[(1, 253540), (2, 126770), (4, 63385), (5, 50708), (7, 36220), (10, 25354), (14, 18110), (20, 12677), (28, 9055), (35, 7244), (70, 3622), (140, 1811)]