205720316

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 385257600

約数和(自身を除く): 179537284

約数列:

[1, 2, 4, 29, 47, 58, 94, 97, 116, 188, 194, 388, 389, 778, 1363, 1556, 2726, 2813, 4559, 5452, 5626, 9118, 11252, 11281, 18236, 18283, 22562, 36566, 37733, 45124, 73132, 75466, 132211, 150932, 264422, 528844, 530207, 1060414, 1094257, 1773451, 2120828, 2188514, 3546902, 4377028, 7093804, 51430079, 102860158, 205720316]

約数ペア:

[(1, 205720316), (2, 102860158), (4, 51430079), (29, 7093804), (47, 4377028), (58, 3546902), (94, 2188514), (97, 2120828), (116, 1773451), (188, 1094257), (194, 1060414), (388, 530207), (389, 528844), (778, 264422), (1363, 150932), (1556, 132211), (2726, 75466), (2813, 73132), (4559, 45124), (5452, 37733), (5626, 36566), (9118, 22562), (11252, 18283), (11281, 18236)]