218492060

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{39439}}^1$

素因数の和:39725

約数の個数: 24

約数和(自身を含む): 460501440

約数和(自身を除く): 242009380

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 5540, 39439, 78878, 157756, 197195, 394390, 788780, 10924603, 21849206, 43698412, 54623015, 109246030, 218492060]

約数ペア:

[(1, 218492060), (2, 109246030), (4, 54623015), (5, 43698412), (10, 21849206), (20, 10924603), (277, 788780), (554, 394390), (1108, 197195), (1385, 157756), (2770, 78878), (5540, 39439)]