217853440

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{12157}}^1$

素因数の和:12187

約数の個数: 80

約数和(自身を含む): 597006432

約数和(自身を除く): 379152992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 8960, 12157, 17920, 24314, 48628, 60785, 85099, 97256, 121570, 170198, 194512, 243140, 340396, 389024, 425495, 486280, 680792, 778048, 850990, 972560, 1361584, 1556096, 1701980, 1945120, 2723168, 3112192, 3403960, 3890240, 5446336, 6224384, 6807920, 7780480, 10892672, 13615840, 15560960, 21785344, 27231680, 31121920, 43570688, 54463360, 108926720, 217853440]

約数ペア:

[(1, 217853440), (2, 108926720), (4, 54463360), (5, 43570688), (7, 31121920), (8, 27231680), (10, 21785344), (14, 15560960), (16, 13615840), (20, 10892672), (28, 7780480), (32, 6807920), (35, 6224384), (40, 5446336), (56, 3890240), (64, 3403960), (70, 3112192), (80, 2723168), (112, 1945120), (128, 1701980), (140, 1556096), (160, 1361584), (224, 972560), (256, 850990), (280, 778048), (320, 680792), (448, 486280), (512, 425495), (560, 389024), (640, 340396), (896, 243140), (1120, 194512), (1280, 170198), (1792, 121570), (2240, 97256), (2560, 85099), (3584, 60785), (4480, 48628), (8960, 24314), (12157, 17920)]