67698740

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 146013840

約数和(自身を除く): 78315100

約数列:

[1, 2, 4, 5, 10, 20, 73, 89, 146, 178, 292, 356, 365, 445, 521, 730, 890, 1042, 1460, 1780, 2084, 2605, 5210, 6497, 10420, 12994, 25988, 32485, 38033, 46369, 64970, 76066, 92738, 129940, 152132, 185476, 190165, 231845, 380330, 463690, 760660, 927380, 3384937, 6769874, 13539748, 16924685, 33849370, 67698740]

約数ペア:

[(1, 67698740), (2, 33849370), (4, 16924685), (5, 13539748), (10, 6769874), (20, 3384937), (73, 927380), (89, 760660), (146, 463690), (178, 380330), (292, 231845), (356, 190165), (365, 185476), (445, 152132), (521, 129940), (730, 92738), (890, 76066), (1042, 64970), (1460, 46369), (1780, 38033), (2084, 32485), (2605, 25988), (5210, 12994), (6497, 10420)]