68405540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{488611}}^1$

素因数の和:488627

約数の個数: 24

約数和(自身を含む): 164173632

約数和(自身を除く): 95768092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 488611, 977222, 1954444, 2443055, 3420277, 4886110, 6840554, 9772220, 13681108, 17101385, 34202770, 68405540]

約数ペア:

[(1, 68405540), (2, 34202770), (4, 17101385), (5, 13681108), (7, 9772220), (10, 6840554), (14, 4886110), (20, 3420277), (28, 2443055), (35, 1954444), (70, 977222), (140, 488611)]