280079726

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:329

約数の個数: 48

約数和(自身を含む): 466836480

約数和(自身を除く): 186756754

約数列:

[1, 2, 17, 34, 43, 59, 86, 118, 191, 289, 382, 578, 731, 1003, 1462, 2006, 2537, 3247, 5074, 6494, 8213, 11269, 12427, 16426, 17051, 22538, 24854, 34102, 43129, 55199, 86258, 110398, 139621, 191573, 279242, 383146, 484567, 733193, 969134, 1466386, 2373557, 3256741, 4747114, 6513482, 8237639, 16475278, 140039863, 280079726]

約数ペア:

[(1, 280079726), (2, 140039863), (17, 16475278), (34, 8237639), (43, 6513482), (59, 4747114), (86, 3256741), (118, 2373557), (191, 1466386), (289, 969134), (382, 733193), (578, 484567), (731, 383146), (1003, 279242), (1462, 191573), (2006, 139621), (2537, 110398), (3247, 86258), (5074, 55199), (6494, 43129), (8213, 34102), (11269, 24854), (12427, 22538), (16426, 17051)]