291259280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2719}}^1$

素因数の和:2848

約数の個数: 80

約数和(自身を含む): 736619520

約数和(自身を除く): 445360240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 103, 104, 130, 206, 208, 260, 412, 515, 520, 824, 1030, 1040, 1339, 1648, 2060, 2678, 2719, 4120, 5356, 5438, 6695, 8240, 10712, 10876, 13390, 13595, 21424, 21752, 26780, 27190, 35347, 43504, 53560, 54380, 70694, 107120, 108760, 141388, 176735, 217520, 280057, 282776, 353470, 560114, 565552, 706940, 1120228, 1400285, 1413880, 2240456, 2800570, 2827760, 3640741, 4480912, 5601140, 7281482, 11202280, 14562964, 18203705, 22404560, 29125928, 36407410, 58251856, 72814820, 145629640, 291259280]

約数ペア:

[(1, 291259280), (2, 145629640), (4, 72814820), (5, 58251856), (8, 36407410), (10, 29125928), (13, 22404560), (16, 18203705), (20, 14562964), (26, 11202280), (40, 7281482), (52, 5601140), (65, 4480912), (80, 3640741), (103, 2827760), (104, 2800570), (130, 2240456), (206, 1413880), (208, 1400285), (260, 1120228), (412, 706940), (515, 565552), (520, 560114), (824, 353470), (1030, 282776), (1040, 280057), (1339, 217520), (1648, 176735), (2060, 141388), (2678, 108760), (2719, 107120), (4120, 70694), (5356, 54380), (5438, 53560), (6695, 43504), (8240, 35347), (10712, 27190), (10876, 26780), (13390, 21752), (13595, 21424)]