142780204

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1\times {\mathrm{449}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 294235200

約数和(自身を除く): 151454996

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 277, 287, 449, 554, 574, 898, 1108, 1148, 1796, 1939, 3143, 3878, 6286, 7756, 11357, 12572, 18409, 22714, 36818, 45428, 73636, 79499, 124373, 128863, 158998, 248746, 257726, 317996, 497492, 515452, 870611, 1741222, 3482444, 5099293, 10198586, 20397172, 35695051, 71390102, 142780204]

約数ペア:

[(1, 142780204), (2, 71390102), (4, 35695051), (7, 20397172), (14, 10198586), (28, 5099293), (41, 3482444), (82, 1741222), (164, 870611), (277, 515452), (287, 497492), (449, 317996), (554, 257726), (574, 248746), (898, 158998), (1108, 128863), (1148, 124373), (1796, 79499), (1939, 73636), (3143, 45428), (3878, 36818), (6286, 22714), (7756, 18409), (11357, 12572)]