284806280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{9661}}^1$

素因数の和:9750

約数の個数: 64

約数和(自身を含む): 709577280

約数和(自身を除く): 424771000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 134, 220, 268, 335, 440, 536, 670, 737, 1340, 1474, 2680, 2948, 3685, 5896, 7370, 9661, 14740, 19322, 29480, 38644, 48305, 77288, 96610, 106271, 193220, 212542, 386440, 425084, 531355, 647287, 850168, 1062710, 1294574, 2125420, 2589148, 3236435, 4250840, 5178296, 6472870, 7120157, 12945740, 14240314, 25891480, 28480628, 35600785, 56961256, 71201570, 142403140, 284806280]

約数ペア:

[(1, 284806280), (2, 142403140), (4, 71201570), (5, 56961256), (8, 35600785), (10, 28480628), (11, 25891480), (20, 14240314), (22, 12945740), (40, 7120157), (44, 6472870), (55, 5178296), (67, 4250840), (88, 3236435), (110, 2589148), (134, 2125420), (220, 1294574), (268, 1062710), (335, 850168), (440, 647287), (536, 531355), (670, 425084), (737, 386440), (1340, 212542), (1474, 193220), (2680, 106271), (2948, 96610), (3685, 77288), (5896, 48305), (7370, 38644), (9661, 29480), (14740, 19322)]