68855290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{140521}}^1$

素因数の和:140542

約数の個数: 24

約数和(自身を含む): 144175572

約数和(自身を除く): 75320282

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 140521, 281042, 702605, 983647, 1405210, 1967294, 4918235, 6885529, 9836470, 13771058, 34427645, 68855290]

約数ペア:

[(1, 68855290), (2, 34427645), (5, 13771058), (7, 9836470), (10, 6885529), (14, 4918235), (35, 1967294), (49, 1405210), (70, 983647), (98, 702605), (245, 281042), (490, 140521)]