71880970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{1597}}^1$

素因数の和:2254

約数の個数: 32

約数和(自身を含む): 148192128

約数和(自身を除く): 76311158

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 643, 1286, 1597, 3194, 3215, 4501, 6430, 7985, 9002, 11179, 15970, 22358, 22505, 45010, 55895, 111790, 1026871, 2053742, 5134355, 7188097, 10268710, 14376194, 35940485, 71880970]

約数ペア:

[(1, 71880970), (2, 35940485), (5, 14376194), (7, 10268710), (10, 7188097), (14, 5134355), (35, 2053742), (70, 1026871), (643, 111790), (1286, 55895), (1597, 45010), (3194, 22505), (3215, 22358), (4501, 15970), (6430, 11179), (7985, 9002)]