90191290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3989}}^1$

素因数の和:4039

約数の個数: 64

約数和(自身を含む): 206841600

約数和(自身を除く): 116650310

約数列:

[1, 2, 5, 7, 10, 14, 17, 19, 34, 35, 38, 70, 85, 95, 119, 133, 170, 190, 238, 266, 323, 595, 646, 665, 1190, 1330, 1615, 2261, 3230, 3989, 4522, 7978, 11305, 19945, 22610, 27923, 39890, 55846, 67813, 75791, 135626, 139615, 151582, 279230, 339065, 378955, 474691, 530537, 678130, 757910, 949382, 1061074, 1288447, 2373455, 2576894, 2652685, 4746910, 5305370, 6442235, 9019129, 12884470, 18038258, 45095645, 90191290]

約数ペア:

[(1, 90191290), (2, 45095645), (5, 18038258), (7, 12884470), (10, 9019129), (14, 6442235), (17, 5305370), (19, 4746910), (34, 2652685), (35, 2576894), (38, 2373455), (70, 1288447), (85, 1061074), (95, 949382), (119, 757910), (133, 678130), (170, 530537), (190, 474691), (238, 378955), (266, 339065), (323, 279230), (595, 151582), (646, 139615), (665, 135626), (1190, 75791), (1330, 67813), (1615, 55846), (2261, 39890), (3230, 27923), (3989, 22610), (4522, 19945), (7978, 11305)]