320831392

素因数分解:

$2^5\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20173}}^1$

素因数の和:20261

約数の個数: 48

約数和(自身を含む): 732074112

約数和(自身を除く): 411242720

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 71, 112, 142, 224, 284, 497, 568, 994, 1136, 1988, 2272, 3976, 7952, 15904, 20173, 40346, 80692, 141211, 161384, 282422, 322768, 564844, 645536, 1129688, 1432283, 2259376, 2864566, 4518752, 5729132, 10025981, 11458264, 20051962, 22916528, 40103924, 45833056, 80207848, 160415696, 320831392]

約数ペア:

[(1, 320831392), (2, 160415696), (4, 80207848), (7, 45833056), (8, 40103924), (14, 22916528), (16, 20051962), (28, 11458264), (32, 10025981), (56, 5729132), (71, 4518752), (112, 2864566), (142, 2259376), (224, 1432283), (284, 1129688), (497, 645536), (568, 564844), (994, 322768), (1136, 282422), (1988, 161384), (2272, 141211), (3976, 80692), (7952, 40346), (15904, 20173)]