206881400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{347}}^1$

素因数の和:645

約数の個数: 96

約数和(自身を含む): 528180480

約数和(自身を除く): 321299080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 271, 275, 347, 440, 542, 550, 694, 1084, 1100, 1355, 1388, 1735, 2168, 2200, 2710, 2776, 2981, 3470, 3817, 5420, 5962, 6775, 6940, 7634, 8675, 10840, 11924, 13550, 13880, 14905, 15268, 17350, 19085, 23848, 27100, 29810, 30536, 34700, 38170, 54200, 59620, 69400, 74525, 76340, 94037, 95425, 119240, 149050, 152680, 188074, 190850, 298100, 376148, 381700, 470185, 596200, 752296, 763400, 940370, 1034407, 1880740, 2068814, 2350925, 3761480, 4137628, 4701850, 5172035, 8275256, 9403700, 10344070, 18807400, 20688140, 25860175, 41376280, 51720350, 103440700, 206881400]

約数ペア:

[(1, 206881400), (2, 103440700), (4, 51720350), (5, 41376280), (8, 25860175), (10, 20688140), (11, 18807400), (20, 10344070), (22, 9403700), (25, 8275256), (40, 5172035), (44, 4701850), (50, 4137628), (55, 3761480), (88, 2350925), (100, 2068814), (110, 1880740), (200, 1034407), (220, 940370), (271, 763400), (275, 752296), (347, 596200), (440, 470185), (542, 381700), (550, 376148), (694, 298100), (1084, 190850), (1100, 188074), (1355, 152680), (1388, 149050), (1735, 119240), (2168, 95425), (2200, 94037), (2710, 76340), (2776, 74525), (2981, 69400), (3470, 59620), (3817, 54200), (5420, 38170), (5962, 34700), (6775, 30536), (6940, 29810), (7634, 27100), (8675, 23848), (10840, 19085), (11924, 17350), (13550, 15268), (13880, 14905)]