208044955880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{2511407}}^1$

素因数の和:2511546

約数の個数: 64

約数和(自身を含む): 497258784000

約数和(自身を除く): 289213828120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 109, 152, 190, 218, 380, 436, 545, 760, 872, 1090, 2071, 2180, 4142, 4360, 8284, 10355, 16568, 20710, 41420, 82840, 2511407, 5022814, 10045628, 12557035, 20091256, 25114070, 47716733, 50228140, 95433466, 100456280, 190866932, 238583665, 273743363, 381733864, 477167330, 547486726, 954334660, 1094973452, 1368716815, 1908669320, 2189946904, 2737433630, 5201123897, 5474867260, 10402247794, 10949734520, 20804495588, 26005619485, 41608991176, 52011238970, 104022477940, 208044955880]

約数ペア:

[(1, 208044955880), (2, 104022477940), (4, 52011238970), (5, 41608991176), (8, 26005619485), (10, 20804495588), (19, 10949734520), (20, 10402247794), (38, 5474867260), (40, 5201123897), (76, 2737433630), (95, 2189946904), (109, 1908669320), (152, 1368716815), (190, 1094973452), (218, 954334660), (380, 547486726), (436, 477167330), (545, 381733864), (760, 273743363), (872, 238583665), (1090, 190866932), (2071, 100456280), (2180, 95433466), (4142, 50228140), (4360, 47716733), (8284, 25114070), (10355, 20091256), (16568, 12557035), (20710, 10045628), (41420, 5022814), (82840, 2511407)]