280715460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{203417}}^1$

素因数の和:203452

約数の個数: 48

約数和(自身を含む): 820181376

約数和(自身を除く): 539465916

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 203417, 406834, 610251, 813668, 1017085, 1220502, 2034170, 2441004, 3051255, 4068340, 4678591, 6102510, 9357182, 12205020, 14035773, 18714364, 23392955, 28071546, 46785910, 56143092, 70178865, 93571820, 140357730, 280715460]

約数ペア:

[(1, 280715460), (2, 140357730), (3, 93571820), (4, 70178865), (5, 56143092), (6, 46785910), (10, 28071546), (12, 23392955), (15, 18714364), (20, 14035773), (23, 12205020), (30, 9357182), (46, 6102510), (60, 4678591), (69, 4068340), (92, 3051255), (115, 2441004), (138, 2034170), (230, 1220502), (276, 1017085), (345, 813668), (460, 610251), (690, 406834), (1380, 203417)]