211679930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{274909}}^1$

素因数の和:274934

約数の個数: 32

約数和(自身を含む): 475044480

約数和(自身を除く): 263364550

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 274909, 549818, 1374545, 1924363, 2749090, 3023999, 3848726, 6047998, 9621815, 15119995, 19243630, 21167993, 30239990, 42335986, 105839965, 211679930]

約数ペア:

[(1, 211679930), (2, 105839965), (5, 42335986), (7, 30239990), (10, 21167993), (11, 19243630), (14, 15119995), (22, 9621815), (35, 6047998), (55, 3848726), (70, 3023999), (77, 2749090), (110, 1924363), (154, 1374545), (385, 549818), (770, 274909)]