78797390

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{22973}}^1$

素因数の和:23001

約数の個数: 32

約数和(自身を含む): 165412800

約数和(自身を除く): 86615410

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 22973, 45946, 114865, 160811, 229730, 321622, 804055, 1125677, 1608110, 2251354, 5628385, 7879739, 11256770, 15759478, 39398695, 78797390]

約数ペア:

[(1, 78797390), (2, 39398695), (5, 15759478), (7, 11256770), (10, 7879739), (14, 5628385), (35, 2251354), (49, 1608110), (70, 1125677), (98, 804055), (245, 321622), (343, 229730), (490, 160811), (686, 114865), (1715, 45946), (3430, 22973)]