220571855

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 342144000

約数和(自身を除く): 121572145

約数列:

[1, 5, 7, 17, 19, 35, 85, 95, 109, 119, 133, 179, 323, 545, 595, 665, 763, 895, 1253, 1615, 1853, 2071, 2261, 3043, 3401, 3815, 6265, 9265, 10355, 11305, 12971, 14497, 15215, 17005, 19511, 21301, 23807, 35207, 57817, 64855, 72485, 97555, 106505, 119035, 136577, 176035, 246449, 289085, 331687, 370709, 404719, 682885, 1232245, 1658435, 1853545, 2023595, 2321809, 2594963, 6302053, 11609045, 12974815, 31510265, 44114371, 220571855]

約数ペア:

[(1, 220571855), (5, 44114371), (7, 31510265), (17, 12974815), (19, 11609045), (35, 6302053), (85, 2594963), (95, 2321809), (109, 2023595), (119, 1853545), (133, 1658435), (179, 1232245), (323, 682885), (545, 404719), (595, 370709), (665, 331687), (763, 289085), (895, 246449), (1253, 176035), (1615, 136577), (1853, 119035), (2071, 106505), (2261, 97555), (3043, 72485), (3401, 64855), (3815, 57817), (6265, 35207), (9265, 23807), (10355, 21301), (11305, 19511), (12971, 17005), (14497, 15215)]