406737940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{152909}}^1$

素因数の和:152944

約数の個数: 48

約数和(自身を含む): 1027555200

約数和(自身を除く): 620817260

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 152909, 305818, 611636, 764545, 1070363, 1529090, 2140726, 2905271, 3058180, 4281452, 5351815, 5810542, 10703630, 11621084, 14526355, 20336897, 21407260, 29052710, 40673794, 58105420, 81347588, 101684485, 203368970, 406737940]

約数ペア:

[(1, 406737940), (2, 203368970), (4, 101684485), (5, 81347588), (7, 58105420), (10, 40673794), (14, 29052710), (19, 21407260), (20, 20336897), (28, 14526355), (35, 11621084), (38, 10703630), (70, 5810542), (76, 5351815), (95, 4281452), (133, 3058180), (140, 2905271), (190, 2140726), (266, 1529090), (380, 1070363), (532, 764545), (665, 611636), (1330, 305818), (2660, 152909)]