198712920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{236563}}^1$

素因数の和:236584

約数の個数: 64

約数和(自身を含む): 681304320

約数和(自身を除く): 482591400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 236563, 473126, 709689, 946252, 1182815, 1419378, 1655941, 1892504, 2365630, 2838756, 3311882, 3548445, 4731260, 4967823, 5677512, 6623764, 7096890, 8279705, 9462520, 9935646, 13247528, 14193780, 16559410, 19871292, 24839115, 28387560, 33118820, 39742584, 49678230, 66237640, 99356460, 198712920]

約数ペア:

[(1, 198712920), (2, 99356460), (3, 66237640), (4, 49678230), (5, 39742584), (6, 33118820), (7, 28387560), (8, 24839115), (10, 19871292), (12, 16559410), (14, 14193780), (15, 13247528), (20, 9935646), (21, 9462520), (24, 8279705), (28, 7096890), (30, 6623764), (35, 5677512), (40, 4967823), (42, 4731260), (56, 3548445), (60, 3311882), (70, 2838756), (84, 2365630), (105, 1892504), (120, 1655941), (140, 1419378), (168, 1182815), (210, 946252), (280, 709689), (420, 473126), (840, 236563)]