5390980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{5501}}^1$

素因数の和:5524

約数の個数: 36

約数和(自身を含む): 13171788

約数和(自身を除く): 7780808

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 5501, 11002, 22004, 27505, 38507, 55010, 77014, 110020, 154028, 192535, 269549, 385070, 539098, 770140, 1078196, 1347745, 2695490, 5390980]

約数ペア:

[(1, 5390980), (2, 2695490), (4, 1347745), (5, 1078196), (7, 770140), (10, 539098), (14, 385070), (20, 269549), (28, 192535), (35, 154028), (49, 110020), (70, 77014), (98, 55010), (140, 38507), (196, 27505), (245, 22004), (490, 11002), (980, 5501)]