209314320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{872143}}^1$

素因数の和:872159

約数の個数: 40

約数和(自身を含む): 648875136

約数和(自身を除く): 439560816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 872143, 1744286, 2616429, 3488572, 4360715, 5232858, 6977144, 8721430, 10465716, 13082145, 13954288, 17442860, 20931432, 26164290, 34885720, 41862864, 52328580, 69771440, 104657160, 209314320]

約数ペア:

[(1, 209314320), (2, 104657160), (3, 69771440), (4, 52328580), (5, 41862864), (6, 34885720), (8, 26164290), (10, 20931432), (12, 17442860), (15, 13954288), (16, 13082145), (20, 10465716), (24, 8721430), (30, 6977144), (40, 5232858), (48, 4360715), (60, 3488572), (80, 2616429), (120, 1744286), (240, 872143)]