208018840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{273709}}^1$

素因数の和:273739

約数の個数: 32

約数和(自身を含む): 492678000

約数和(自身を除く): 284659160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 273709, 547418, 1094836, 1368545, 2189672, 2737090, 5200471, 5474180, 10400942, 10948360, 20801884, 26002355, 41603768, 52004710, 104009420, 208018840]

約数ペア:

[(1, 208018840), (2, 104009420), (4, 52004710), (5, 41603768), (8, 26002355), (10, 20801884), (19, 10948360), (20, 10400942), (38, 5474180), (40, 5200471), (76, 2737090), (95, 2189672), (152, 1368545), (190, 1094836), (380, 547418), (760, 273709)]