77533540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{553811}}^1$

素因数の和:553827

約数の個数: 24

約数和(自身を含む): 186080832

約数和(自身を除く): 108547292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 553811, 1107622, 2215244, 2769055, 3876677, 5538110, 7753354, 11076220, 15506708, 19383385, 38766770, 77533540]

約数ペア:

[(1, 77533540), (2, 38766770), (4, 19383385), (5, 15506708), (7, 11076220), (10, 7753354), (14, 5538110), (20, 3876677), (28, 2769055), (35, 2215244), (70, 1107622), (140, 553811)]