1999163950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{28703}}^1$

素因数の和:28921

約数の個数: 48

約数和(自身を含む): 4271155200

約数和(自身を除く): 2271991250

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 199, 350, 398, 995, 1393, 1990, 2786, 4975, 6965, 9950, 13930, 28703, 34825, 57406, 69650, 143515, 200921, 287030, 401842, 717575, 1004605, 1435150, 2009210, 5023025, 5711897, 10046050, 11423794, 28559485, 39983279, 57118970, 79966558, 142797425, 199916395, 285594850, 399832790, 999581975, 1999163950]

約数ペア:

[(1, 1999163950), (2, 999581975), (5, 399832790), (7, 285594850), (10, 199916395), (14, 142797425), (25, 79966558), (35, 57118970), (50, 39983279), (70, 28559485), (175, 11423794), (199, 10046050), (350, 5711897), (398, 5023025), (995, 2009210), (1393, 1435150), (1990, 1004605), (2786, 717575), (4975, 401842), (6965, 287030), (9950, 200921), (13930, 143515), (28703, 69650), (34825, 57406)]