218719120

素因数分解:

$2^4\times 5^1\times {\mathrm{947}}^1\times {\mathrm{2887}}^1$

素因数の和:3847

約数の個数: 40

約数和(自身を含む): 509235264

約数和(自身を除く): 290516144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 947, 1894, 2887, 3788, 4735, 5774, 7576, 9470, 11548, 14435, 15152, 18940, 23096, 28870, 37880, 46192, 57740, 75760, 115480, 230960, 2733989, 5467978, 10935956, 13669945, 21871912, 27339890, 43743824, 54679780, 109359560, 218719120]

約数ペア:

[(1, 218719120), (2, 109359560), (4, 54679780), (5, 43743824), (8, 27339890), (10, 21871912), (16, 13669945), (20, 10935956), (40, 5467978), (80, 2733989), (947, 230960), (1894, 115480), (2887, 75760), (3788, 57740), (4735, 46192), (5774, 37880), (7576, 28870), (9470, 23096), (11548, 18940), (14435, 15152)]