219498160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{391961}}^1$

素因数の和:391981

約数の個数: 40

約数和(自身を含む): 583239456

約数和(自身を除く): 363741296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 391961, 783922, 1567844, 1959805, 2743727, 3135688, 3919610, 5487454, 6271376, 7839220, 10974908, 13718635, 15678440, 21949816, 27437270, 31356880, 43899632, 54874540, 109749080, 219498160]

約数ペア:

[(1, 219498160), (2, 109749080), (4, 54874540), (5, 43899632), (7, 31356880), (8, 27437270), (10, 21949816), (14, 15678440), (16, 13718635), (20, 10974908), (28, 7839220), (35, 6271376), (40, 5487454), (56, 3919610), (70, 3135688), (80, 2743727), (112, 1959805), (140, 1567844), (280, 783922), (560, 391961)]