208072040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{24889}}^1$

素因数の和:24930

約数の個数: 64

約数和(自身を含む): 537624000

約数和(自身を除く): 329551960

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 4180, 8360, 24889, 49778, 99556, 124445, 199112, 248890, 273779, 472891, 497780, 547558, 945782, 995560, 1095116, 1368895, 1891564, 2190232, 2364455, 2737790, 3783128, 4728910, 5201801, 5475580, 9457820, 10403602, 10951160, 18915640, 20807204, 26009005, 41614408, 52018010, 104036020, 208072040]

約数ペア:

[(1, 208072040), (2, 104036020), (4, 52018010), (5, 41614408), (8, 26009005), (10, 20807204), (11, 18915640), (19, 10951160), (20, 10403602), (22, 9457820), (38, 5475580), (40, 5201801), (44, 4728910), (55, 3783128), (76, 2737790), (88, 2364455), (95, 2190232), (110, 1891564), (152, 1368895), (190, 1095116), (209, 995560), (220, 945782), (380, 547558), (418, 497780), (440, 472891), (760, 273779), (836, 248890), (1045, 199112), (1672, 124445), (2090, 99556), (4180, 49778), (8360, 24889)]