211044540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{502487}}^1$

素因数の和:502506

約数の個数: 48

約数和(自身を含む): 675343872

約数和(自身を除く): 464299332

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 502487, 1004974, 1507461, 2009948, 2512435, 3014922, 3517409, 5024870, 6029844, 7034818, 7537305, 10049740, 10552227, 14069636, 15074610, 17587045, 21104454, 30149220, 35174090, 42208908, 52761135, 70348180, 105522270, 211044540]

約数ペア:

[(1, 211044540), (2, 105522270), (3, 70348180), (4, 52761135), (5, 42208908), (6, 35174090), (7, 30149220), (10, 21104454), (12, 17587045), (14, 15074610), (15, 14069636), (20, 10552227), (21, 10049740), (28, 7537305), (30, 7034818), (35, 6029844), (42, 5024870), (60, 3517409), (70, 3014922), (84, 2512435), (105, 2009948), (140, 1507461), (210, 1004974), (420, 502487)]