67879780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2447}}^1$

素因数の和:2548

約数の個数: 48

約数和(自身を含む): 152167680

約数和(自身を除く): 84287900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 730, 1387, 1460, 2447, 2774, 4894, 5548, 6935, 9788, 12235, 13870, 24470, 27740, 46493, 48940, 92986, 178631, 185972, 232465, 357262, 464930, 714524, 893155, 929860, 1786310, 3393989, 3572620, 6787978, 13575956, 16969945, 33939890, 67879780]

約数ペア:

[(1, 67879780), (2, 33939890), (4, 16969945), (5, 13575956), (10, 6787978), (19, 3572620), (20, 3393989), (38, 1786310), (73, 929860), (76, 893155), (95, 714524), (146, 464930), (190, 357262), (292, 232465), (365, 185972), (380, 178631), (730, 92986), (1387, 48940), (1460, 46493), (2447, 27740), (2774, 24470), (4894, 13870), (5548, 12235), (6935, 9788)]