168585940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{4549}}^1$

素因数の和:4684

約数の個数: 48

約数和(自身を含む): 378378000

約数和(自身を除く): 209792060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 109, 170, 218, 340, 436, 545, 1090, 1853, 2180, 3706, 4549, 7412, 9098, 9265, 18196, 18530, 22745, 37060, 45490, 77333, 90980, 154666, 309332, 386665, 495841, 773330, 991682, 1546660, 1983364, 2479205, 4958410, 8429297, 9916820, 16858594, 33717188, 42146485, 84292970, 168585940]

約数ペア:

[(1, 168585940), (2, 84292970), (4, 42146485), (5, 33717188), (10, 16858594), (17, 9916820), (20, 8429297), (34, 4958410), (68, 2479205), (85, 1983364), (109, 1546660), (170, 991682), (218, 773330), (340, 495841), (436, 386665), (545, 309332), (1090, 154666), (1853, 90980), (2180, 77333), (3706, 45490), (4549, 37060), (7412, 22745), (9098, 18530), (9265, 18196)]