2000990032

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{811}}^1$

素因数の和:1076

約数の個数: 80

約数和(自身を含む): 4219229952

約数和(自身を除く): 2218239920

約数列:

[1, 2, 4, 8, 16, 17, 34, 47, 68, 94, 136, 188, 193, 272, 376, 386, 752, 772, 799, 811, 1544, 1598, 1622, 3088, 3196, 3244, 3281, 6392, 6488, 6562, 9071, 12784, 12976, 13124, 13787, 18142, 26248, 27574, 36284, 38117, 52496, 55148, 72568, 76234, 110296, 145136, 152468, 154207, 156523, 220592, 304936, 308414, 313046, 609872, 616828, 626092, 647989, 1233656, 1252184, 1295978, 2467312, 2504368, 2591956, 2660891, 5183912, 5321782, 7356581, 10367824, 10643564, 14713162, 21287128, 29426324, 42574256, 58852648, 117705296, 125061877, 250123754, 500247508, 1000495016, 2000990032]

約数ペア:

[(1, 2000990032), (2, 1000495016), (4, 500247508), (8, 250123754), (16, 125061877), (17, 117705296), (34, 58852648), (47, 42574256), (68, 29426324), (94, 21287128), (136, 14713162), (188, 10643564), (193, 10367824), (272, 7356581), (376, 5321782), (386, 5183912), (752, 2660891), (772, 2591956), (799, 2504368), (811, 2467312), (1544, 1295978), (1598, 1252184), (1622, 1233656), (3088, 647989), (3196, 626092), (3244, 616828), (3281, 609872), (6392, 313046), (6488, 308414), (6562, 304936), (9071, 220592), (12784, 156523), (12976, 154207), (13124, 152468), (13787, 145136), (18142, 110296), (26248, 76234), (27574, 72568), (36284, 55148), (38117, 52496)]