78886570

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 167904000

約数和(自身を除く): 89017430

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 109, 211, 218, 245, 343, 422, 490, 545, 686, 763, 1055, 1090, 1477, 1526, 1715, 2110, 2954, 3430, 3815, 5341, 7385, 7630, 10339, 10682, 14770, 20678, 22999, 26705, 37387, 45998, 51695, 53410, 72373, 74774, 103390, 114995, 144746, 160993, 186935, 229990, 321986, 361865, 373870, 723730, 804965, 1126951, 1609930, 2253902, 5634755, 7888657, 11269510, 15777314, 39443285, 78886570]

約数ペア:

[(1, 78886570), (2, 39443285), (5, 15777314), (7, 11269510), (10, 7888657), (14, 5634755), (35, 2253902), (49, 1609930), (70, 1126951), (98, 804965), (109, 723730), (211, 373870), (218, 361865), (245, 321986), (343, 229990), (422, 186935), (490, 160993), (545, 144746), (686, 114995), (763, 103390), (1055, 74774), (1090, 72373), (1477, 53410), (1526, 51695), (1715, 45998), (2110, 37387), (2954, 26705), (3430, 22999), (3815, 20678), (5341, 14770), (7385, 10682), (7630, 10339)]