13870780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9007}}^1$

素因数の和:9034

約数の個数: 48

約数和(自身を含む): 36320256

約数和(自身を除く): 22449476

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 9007, 18014, 36028, 45035, 63049, 90070, 99077, 126098, 180140, 198154, 252196, 315245, 396308, 495385, 630490, 693539, 990770, 1260980, 1387078, 1981540, 2774156, 3467695, 6935390, 13870780]

約数ペア:

[(1, 13870780), (2, 6935390), (4, 3467695), (5, 2774156), (7, 1981540), (10, 1387078), (11, 1260980), (14, 990770), (20, 693539), (22, 630490), (28, 495385), (35, 396308), (44, 315245), (55, 252196), (70, 198154), (77, 180140), (110, 126098), (140, 99077), (154, 90070), (220, 63049), (308, 45035), (385, 36028), (770, 18014), (1540, 9007)]