197580880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{907}}^1$

素因数の和:1316

約数の個数: 80

約数和(自身を含む): 526930560

約数和(自身を除く): 329349680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 389, 560, 778, 907, 1556, 1814, 1945, 2723, 3112, 3628, 3890, 4535, 5446, 6224, 6349, 7256, 7780, 9070, 10892, 12698, 13615, 14512, 15560, 18140, 21784, 25396, 27230, 31120, 31745, 36280, 43568, 50792, 54460, 63490, 72560, 101584, 108920, 126980, 217840, 253960, 352823, 507920, 705646, 1411292, 1764115, 2469761, 2822584, 3528230, 4939522, 5645168, 7056460, 9879044, 12348805, 14112920, 19758088, 24697610, 28225840, 39516176, 49395220, 98790440, 197580880]

約数ペア:

[(1, 197580880), (2, 98790440), (4, 49395220), (5, 39516176), (7, 28225840), (8, 24697610), (10, 19758088), (14, 14112920), (16, 12348805), (20, 9879044), (28, 7056460), (35, 5645168), (40, 4939522), (56, 3528230), (70, 2822584), (80, 2469761), (112, 1764115), (140, 1411292), (280, 705646), (389, 507920), (560, 352823), (778, 253960), (907, 217840), (1556, 126980), (1814, 108920), (1945, 101584), (2723, 72560), (3112, 63490), (3628, 54460), (3890, 50792), (4535, 43568), (5446, 36280), (6224, 31745), (6349, 31120), (7256, 27230), (7780, 25396), (9070, 21784), (10892, 18140), (12698, 15560), (13615, 14512)]