211861580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{15601}}^1$

素因数の和:15714

約数の個数: 48

約数和(自身を含む): 513742656

約数和(自身を除く): 301881076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1358, 1940, 2716, 3395, 6790, 13580, 15601, 31202, 62404, 78005, 109207, 156010, 218414, 312020, 436828, 546035, 1092070, 1513297, 2184140, 3026594, 6053188, 7566485, 10593079, 15132970, 21186158, 30265940, 42372316, 52965395, 105930790, 211861580]

約数ペア:

[(1, 211861580), (2, 105930790), (4, 52965395), (5, 42372316), (7, 30265940), (10, 21186158), (14, 15132970), (20, 10593079), (28, 7566485), (35, 6053188), (70, 3026594), (97, 2184140), (140, 1513297), (194, 1092070), (388, 546035), (485, 436828), (679, 312020), (970, 218414), (1358, 156010), (1940, 109207), (2716, 78005), (3395, 62404), (6790, 31202), (13580, 15601)]