72743780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{4073}}^1$

素因数の和:4148

約数の個数: 48

約数和(自身を含む): 164263680

約数和(自身を除く): 91519900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 893, 940, 1786, 3572, 4073, 4465, 8146, 8930, 16292, 17860, 20365, 40730, 77387, 81460, 154774, 191431, 309548, 382862, 386935, 765724, 773870, 957155, 1547740, 1914310, 3637189, 3828620, 7274378, 14548756, 18185945, 36371890, 72743780]

約数ペア:

[(1, 72743780), (2, 36371890), (4, 18185945), (5, 14548756), (10, 7274378), (19, 3828620), (20, 3637189), (38, 1914310), (47, 1547740), (76, 957155), (94, 773870), (95, 765724), (188, 386935), (190, 382862), (235, 309548), (380, 191431), (470, 154774), (893, 81460), (940, 77387), (1786, 40730), (3572, 20365), (4073, 17860), (4465, 16292), (8146, 8930)]