490855558

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1\times {\mathrm{439}}^1$

素因数の和:796

約数の個数: 32

約数和(自身を含む): 780595200

約数和(自身を除く): 289739642

約数列:

[1, 2, 23, 46, 109, 218, 223, 439, 446, 878, 2507, 5014, 5129, 10097, 10258, 20194, 24307, 47851, 48614, 95702, 97897, 195794, 559061, 1100573, 1118122, 2201146, 2251631, 4503262, 10670773, 21341546, 245427779, 490855558]

約数ペア:

[(1, 490855558), (2, 245427779), (23, 21341546), (46, 10670773), (109, 4503262), (218, 2251631), (223, 2201146), (439, 1118122), (446, 1100573), (878, 559061), (2507, 195794), (5014, 97897), (5129, 95702), (10097, 48614), (10258, 47851), (20194, 24307)]