66759980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1697}}^1$

素因数の和:1994

約数の個数: 48

約数和(自身を含む): 160888896

約数和(自身を除く): 94128916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 281, 562, 1124, 1405, 1697, 1967, 2810, 3394, 3934, 5620, 6788, 7868, 8485, 9835, 11879, 16970, 19670, 23758, 33940, 39340, 47516, 59395, 118790, 237580, 476857, 953714, 1907428, 2384285, 3337999, 4768570, 6675998, 9537140, 13351996, 16689995, 33379990, 66759980]

約数ペア:

[(1, 66759980), (2, 33379990), (4, 16689995), (5, 13351996), (7, 9537140), (10, 6675998), (14, 4768570), (20, 3337999), (28, 2384285), (35, 1907428), (70, 953714), (140, 476857), (281, 237580), (562, 118790), (1124, 59395), (1405, 47516), (1697, 39340), (1967, 33940), (2810, 23758), (3394, 19670), (3934, 16970), (5620, 11879), (6788, 9835), (7868, 8485)]