70297480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{811}}^1$

素因数の和:1030

約数の個数: 64

約数和(自身を含む): 173638080

約数和(自身を除く): 103340600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 197, 220, 394, 440, 788, 811, 985, 1576, 1622, 1970, 2167, 3244, 3940, 4055, 4334, 6488, 7880, 8110, 8668, 8921, 10835, 16220, 17336, 17842, 21670, 32440, 35684, 43340, 44605, 71368, 86680, 89210, 159767, 178420, 319534, 356840, 639068, 798835, 1278136, 1597670, 1757437, 3195340, 3514874, 6390680, 7029748, 8787185, 14059496, 17574370, 35148740, 70297480]

約数ペア:

[(1, 70297480), (2, 35148740), (4, 17574370), (5, 14059496), (8, 8787185), (10, 7029748), (11, 6390680), (20, 3514874), (22, 3195340), (40, 1757437), (44, 1597670), (55, 1278136), (88, 798835), (110, 639068), (197, 356840), (220, 319534), (394, 178420), (440, 159767), (788, 89210), (811, 86680), (985, 71368), (1576, 44605), (1622, 43340), (1970, 35684), (2167, 32440), (3244, 21670), (3940, 17842), (4055, 17336), (4334, 16220), (6488, 10835), (7880, 8921), (8110, 8668)]