28756210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{337}}^1$

素因数の和:427

約数の個数: 64

約数和(自身を含む): 63078912

約数和(自身を除く): 34322702

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 53, 70, 106, 115, 161, 230, 265, 322, 337, 371, 530, 674, 742, 805, 1219, 1610, 1685, 1855, 2359, 2438, 3370, 3710, 4718, 6095, 7751, 8533, 11795, 12190, 15502, 17066, 17861, 23590, 35722, 38755, 42665, 54257, 77510, 85330, 89305, 108514, 125027, 178610, 250054, 271285, 410803, 542570, 625135, 821606, 1250270, 2054015, 2875621, 4108030, 5751242, 14378105, 28756210]

約数ペア:

[(1, 28756210), (2, 14378105), (5, 5751242), (7, 4108030), (10, 2875621), (14, 2054015), (23, 1250270), (35, 821606), (46, 625135), (53, 542570), (70, 410803), (106, 271285), (115, 250054), (161, 178610), (230, 125027), (265, 108514), (322, 89305), (337, 85330), (371, 77510), (530, 54257), (674, 42665), (742, 38755), (805, 35722), (1219, 23590), (1610, 17861), (1685, 17066), (1855, 15502), (2359, 12190), (2438, 11795), (3370, 8533), (3710, 7751), (4718, 6095)]