173898140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{3361}}^1$

素因数の和:3582

約数の個数: 48

約数和(自身を含む): 395371200

約数和(自身を除く): 221473060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 398, 796, 995, 1990, 2587, 3361, 3980, 5174, 6722, 10348, 12935, 13444, 16805, 25870, 33610, 43693, 51740, 67220, 87386, 174772, 218465, 436930, 668839, 873860, 1337678, 2675356, 3344195, 6688390, 8694907, 13376780, 17389814, 34779628, 43474535, 86949070, 173898140]

約数ペア:

[(1, 173898140), (2, 86949070), (4, 43474535), (5, 34779628), (10, 17389814), (13, 13376780), (20, 8694907), (26, 6688390), (52, 3344195), (65, 2675356), (130, 1337678), (199, 873860), (260, 668839), (398, 436930), (796, 218465), (995, 174772), (1990, 87386), (2587, 67220), (3361, 51740), (3980, 43693), (5174, 33610), (6722, 25870), (10348, 16805), (12935, 13444)]