66857980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{477557}}^1$

素因数の和:477573

約数の個数: 24

約数和(自身を含む): 160459488

約数和(自身を除く): 93601508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 477557, 955114, 1910228, 2387785, 3342899, 4775570, 6685798, 9551140, 13371596, 16714495, 33428990, 66857980]

約数ペア:

[(1, 66857980), (2, 33428990), (4, 16714495), (5, 13371596), (7, 9551140), (10, 6685798), (14, 4775570), (20, 3342899), (28, 2387785), (35, 1910228), (70, 955114), (140, 477557)]