420876280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{563}}^1\times {\mathrm{1699}}^1$

素因数の和:2284

約数の個数: 64

約数和(自身を含む): 1035504000

約数和(自身を除く): 614627720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 563, 1126, 1699, 2252, 2815, 3398, 4504, 5630, 6193, 6796, 8495, 11260, 12386, 13592, 16990, 18689, 22520, 24772, 30965, 33980, 37378, 49544, 61930, 67960, 74756, 93445, 123860, 149512, 186890, 247720, 373780, 747560, 956537, 1913074, 3826148, 4782685, 7652296, 9565370, 10521907, 19130740, 21043814, 38261480, 42087628, 52609535, 84175256, 105219070, 210438140, 420876280]

約数ペア:

[(1, 420876280), (2, 210438140), (4, 105219070), (5, 84175256), (8, 52609535), (10, 42087628), (11, 38261480), (20, 21043814), (22, 19130740), (40, 10521907), (44, 9565370), (55, 7652296), (88, 4782685), (110, 3826148), (220, 1913074), (440, 956537), (563, 747560), (1126, 373780), (1699, 247720), (2252, 186890), (2815, 149512), (3398, 123860), (4504, 93445), (5630, 74756), (6193, 67960), (6796, 61930), (8495, 49544), (11260, 37378), (12386, 33980), (13592, 30965), (16990, 24772), (18689, 22520)]