140097920

素因数分解:

$2^7\times 5^1\times {\mathrm{457}}^1\times {\mathrm{479}}^1$

素因数の和:955

約数の個数: 64

約数和(自身を含む): 336355200

約数和(自身を除く): 196257280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 457, 479, 640, 914, 958, 1828, 1916, 2285, 2395, 3656, 3832, 4570, 4790, 7312, 7664, 9140, 9580, 14624, 15328, 18280, 19160, 29248, 30656, 36560, 38320, 58496, 61312, 73120, 76640, 146240, 153280, 218903, 292480, 306560, 437806, 875612, 1094515, 1751224, 2189030, 3502448, 4378060, 7004896, 8756120, 14009792, 17512240, 28019584, 35024480, 70048960, 140097920]

約数ペア:

[(1, 140097920), (2, 70048960), (4, 35024480), (5, 28019584), (8, 17512240), (10, 14009792), (16, 8756120), (20, 7004896), (32, 4378060), (40, 3502448), (64, 2189030), (80, 1751224), (128, 1094515), (160, 875612), (320, 437806), (457, 306560), (479, 292480), (640, 218903), (914, 153280), (958, 146240), (1828, 76640), (1916, 73120), (2285, 61312), (2395, 58496), (3656, 38320), (3832, 36560), (4570, 30656), (4790, 29248), (7312, 19160), (7664, 18280), (9140, 15328), (9580, 14624)]