91050280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2549}}^1$

素因数の和:2626

約数の個数: 64

約数和(自身を含む): 220320000

約数和(自身を除く): 129269720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 152, 188, 190, 235, 376, 380, 470, 760, 893, 940, 1786, 1880, 2549, 3572, 4465, 5098, 7144, 8930, 10196, 12745, 17860, 20392, 25490, 35720, 48431, 50980, 96862, 101960, 119803, 193724, 239606, 242155, 387448, 479212, 484310, 599015, 958424, 968620, 1198030, 1937240, 2276257, 2396060, 4552514, 4792120, 9105028, 11381285, 18210056, 22762570, 45525140, 91050280]

約数ペア:

[(1, 91050280), (2, 45525140), (4, 22762570), (5, 18210056), (8, 11381285), (10, 9105028), (19, 4792120), (20, 4552514), (38, 2396060), (40, 2276257), (47, 1937240), (76, 1198030), (94, 968620), (95, 958424), (152, 599015), (188, 484310), (190, 479212), (235, 387448), (376, 242155), (380, 239606), (470, 193724), (760, 119803), (893, 101960), (940, 96862), (1786, 50980), (1880, 48431), (2549, 35720), (3572, 25490), (4465, 20392), (5098, 17860), (7144, 12745), (8930, 10196)]