201811120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{1301}}^1$

素因数の和:1598

約数の個数: 80

約数和(自身を含む): 538590528

約数和(自身を除く): 336779408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 277, 280, 554, 560, 1108, 1301, 1385, 1939, 2216, 2602, 2770, 3878, 4432, 5204, 5540, 6505, 7756, 9107, 9695, 10408, 11080, 13010, 15512, 18214, 19390, 20816, 22160, 26020, 31024, 36428, 38780, 45535, 52040, 72856, 77560, 91070, 104080, 145712, 155120, 182140, 360377, 364280, 720754, 728560, 1441508, 1801885, 2522639, 2883016, 3603770, 5045278, 5766032, 7207540, 10090556, 12613195, 14415080, 20181112, 25226390, 28830160, 40362224, 50452780, 100905560, 201811120]

約数ペア:

[(1, 201811120), (2, 100905560), (4, 50452780), (5, 40362224), (7, 28830160), (8, 25226390), (10, 20181112), (14, 14415080), (16, 12613195), (20, 10090556), (28, 7207540), (35, 5766032), (40, 5045278), (56, 3603770), (70, 2883016), (80, 2522639), (112, 1801885), (140, 1441508), (277, 728560), (280, 720754), (554, 364280), (560, 360377), (1108, 182140), (1301, 155120), (1385, 145712), (1939, 104080), (2216, 91070), (2602, 77560), (2770, 72856), (3878, 52040), (4432, 45535), (5204, 38780), (5540, 36428), (6505, 31024), (7756, 26020), (9107, 22160), (9695, 20816), (10408, 19390), (11080, 18214), (13010, 15512)]