70981790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{6389}}^1$

素因数の和:6508

約数の個数: 32

約数和(自身を含む): 140784480

約数和(自身を除く): 69802690

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 202, 505, 1010, 1111, 2222, 5555, 6389, 11110, 12778, 31945, 63890, 70279, 140558, 351395, 645289, 702790, 1290578, 3226445, 6452890, 7098179, 14196358, 35490895, 70981790]

約数ペア:

[(1, 70981790), (2, 35490895), (5, 14196358), (10, 7098179), (11, 6452890), (22, 3226445), (55, 1290578), (101, 702790), (110, 645289), (202, 351395), (505, 140558), (1010, 70279), (1111, 63890), (2222, 31945), (5555, 12778), (6389, 11110)]