208579280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4093}}^1$

素因数の和:4133

約数の個数: 120

約数和(自身を含む): 607664232

約数和(自身を除く): 399084952

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 364, 392, 455, 490, 520, 560, 637, 728, 784, 910, 980, 1040, 1274, 1456, 1820, 1960, 2548, 3185, 3640, 3920, 4093, 5096, 6370, 7280, 8186, 10192, 12740, 16372, 20465, 25480, 28651, 32744, 40930, 50960, 53209, 57302, 65488, 81860, 106418, 114604, 143255, 163720, 200557, 212836, 229208, 266045, 286510, 327440, 372463, 401114, 425672, 458416, 532090, 573020, 744926, 802228, 851344, 1002785, 1064180, 1146040, 1489852, 1604456, 1862315, 2005570, 2128360, 2292080, 2607241, 2979704, 3208912, 3724630, 4011140, 4256720, 5214482, 5959408, 7449260, 8022280, 10428964, 13036205, 14898520, 16044560, 20857928, 26072410, 29797040, 41715856, 52144820, 104289640, 208579280]

約数ペア:

[(1, 208579280), (2, 104289640), (4, 52144820), (5, 41715856), (7, 29797040), (8, 26072410), (10, 20857928), (13, 16044560), (14, 14898520), (16, 13036205), (20, 10428964), (26, 8022280), (28, 7449260), (35, 5959408), (40, 5214482), (49, 4256720), (52, 4011140), (56, 3724630), (65, 3208912), (70, 2979704), (80, 2607241), (91, 2292080), (98, 2128360), (104, 2005570), (112, 1862315), (130, 1604456), (140, 1489852), (182, 1146040), (196, 1064180), (208, 1002785), (245, 851344), (260, 802228), (280, 744926), (364, 573020), (392, 532090), (455, 458416), (490, 425672), (520, 401114), (560, 372463), (637, 327440), (728, 286510), (784, 266045), (910, 229208), (980, 212836), (1040, 200557), (1274, 163720), (1456, 143255), (1820, 114604), (1960, 106418), (2548, 81860), (3185, 65488), (3640, 57302), (3920, 53209), (4093, 50960), (5096, 40930), (6370, 32744), (7280, 28651), (8186, 25480), (10192, 20465), (12740, 16372)]