2689738280

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{479}}^1\times {\mathrm{1777}}^1$

素因数の和:2346

約数の個数: 64

約数和(自身を含む): 6144768000

約数和(自身を除く): 3455029720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 479, 632, 790, 958, 1580, 1777, 1916, 2395, 3160, 3554, 3832, 4790, 7108, 8885, 9580, 14216, 17770, 19160, 35540, 37841, 71080, 75682, 140383, 151364, 189205, 280766, 302728, 378410, 561532, 701915, 756820, 851183, 1123064, 1403830, 1513640, 1702366, 2807660, 3404732, 4255915, 5615320, 6809464, 8511830, 17023660, 34047320, 67243457, 134486914, 268973828, 336217285, 537947656, 672434570, 1344869140, 2689738280]

約数ペア:

[(1, 2689738280), (2, 1344869140), (4, 672434570), (5, 537947656), (8, 336217285), (10, 268973828), (20, 134486914), (40, 67243457), (79, 34047320), (158, 17023660), (316, 8511830), (395, 6809464), (479, 5615320), (632, 4255915), (790, 3404732), (958, 2807660), (1580, 1702366), (1777, 1513640), (1916, 1403830), (2395, 1123064), (3160, 851183), (3554, 756820), (3832, 701915), (4790, 561532), (7108, 378410), (8885, 302728), (9580, 280766), (14216, 189205), (17770, 151364), (19160, 140383), (35540, 75682), (37841, 71080)]