66679970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{739}}^1\times {\mathrm{1289}}^1$

素因数の和:2042

約数の個数: 32

約数和(自身を含む): 137462400

約数和(自身を除く): 70782430

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 739, 1289, 1478, 2578, 3695, 5173, 6445, 7390, 9023, 10346, 12890, 18046, 25865, 45115, 51730, 90230, 952571, 1905142, 4762855, 6667997, 9525710, 13335994, 33339985, 66679970]

約数ペア:

[(1, 66679970), (2, 33339985), (5, 13335994), (7, 9525710), (10, 6667997), (14, 4762855), (35, 1905142), (70, 952571), (739, 90230), (1289, 51730), (1478, 45115), (2578, 25865), (3695, 18046), (5173, 12890), (6445, 10346), (7390, 9023)]