179039920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2801}}^1$

素因数の和:2878

約数の個数: 80

約数和(自身を含む): 450292608

約数和(自身を除く): 271252688

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 47, 68, 80, 85, 94, 136, 170, 188, 235, 272, 340, 376, 470, 680, 752, 799, 940, 1360, 1598, 1880, 2801, 3196, 3760, 3995, 5602, 6392, 7990, 11204, 12784, 14005, 15980, 22408, 28010, 31960, 44816, 47617, 56020, 63920, 95234, 112040, 131647, 190468, 224080, 238085, 263294, 380936, 476170, 526588, 658235, 761872, 952340, 1053176, 1316470, 1904680, 2106352, 2237999, 2632940, 3809360, 4475998, 5265880, 8951996, 10531760, 11189995, 17903992, 22379990, 35807984, 44759980, 89519960, 179039920]

約数ペア:

[(1, 179039920), (2, 89519960), (4, 44759980), (5, 35807984), (8, 22379990), (10, 17903992), (16, 11189995), (17, 10531760), (20, 8951996), (34, 5265880), (40, 4475998), (47, 3809360), (68, 2632940), (80, 2237999), (85, 2106352), (94, 1904680), (136, 1316470), (170, 1053176), (188, 952340), (235, 761872), (272, 658235), (340, 526588), (376, 476170), (470, 380936), (680, 263294), (752, 238085), (799, 224080), (940, 190468), (1360, 131647), (1598, 112040), (1880, 95234), (2801, 63920), (3196, 56020), (3760, 47617), (3995, 44816), (5602, 31960), (6392, 28010), (7990, 22408), (11204, 15980), (12784, 14005)]