201178180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{2221}}^1$

素因数の和:2884

約数の個数: 48

約数和(自身を含む): 483791616

約数和(自身を除く): 282613436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 647, 1294, 2221, 2588, 3235, 4442, 4529, 6470, 8884, 9058, 11105, 12940, 15547, 18116, 22210, 22645, 31094, 44420, 45290, 62188, 77735, 90580, 155470, 310940, 1436987, 2873974, 5747948, 7184935, 10058909, 14369870, 20117818, 28739740, 40235636, 50294545, 100589090, 201178180]

約数ペア:

[(1, 201178180), (2, 100589090), (4, 50294545), (5, 40235636), (7, 28739740), (10, 20117818), (14, 14369870), (20, 10058909), (28, 7184935), (35, 5747948), (70, 2873974), (140, 1436987), (647, 310940), (1294, 155470), (2221, 90580), (2588, 77735), (3235, 62188), (4442, 45290), (4529, 44420), (6470, 31094), (8884, 22645), (9058, 22210), (11105, 18116), (12940, 15547)]