2009721895

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{241}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 2674584000

約数和(自身を除く): 664862105

約数列:

[1, 5, 17, 29, 85, 145, 199, 241, 289, 493, 995, 1205, 1445, 2465, 3383, 4097, 5771, 6989, 8381, 16915, 20485, 28855, 34945, 41905, 47959, 57511, 69649, 98107, 118813, 239795, 287555, 348245, 490535, 594065, 815303, 1390811, 1667819, 2019821, 4076515, 6954055, 8339095, 10099105, 13860151, 23643787, 69300755, 118218935, 401944379, 2009721895]

約数ペア:

[(1, 2009721895), (5, 401944379), (17, 118218935), (29, 69300755), (85, 23643787), (145, 13860151), (199, 10099105), (241, 8339095), (289, 6954055), (493, 4076515), (995, 2019821), (1205, 1667819), (1445, 1390811), (2465, 815303), (3383, 594065), (4097, 490535), (5771, 348245), (6989, 287555), (8381, 239795), (16915, 118813), (20485, 98107), (28855, 69649), (34945, 57511), (41905, 47959)]