9716996860

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1\times {\mathrm{19427}}^1$

素因数の和:19806

約数の個数: 48

約数和(自身を含む): 20709470880

約数和(自身を除く): 10992474020

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 281, 356, 445, 562, 890, 1124, 1405, 1780, 2810, 5620, 19427, 25009, 38854, 50018, 77708, 97135, 100036, 125045, 194270, 250090, 388540, 500180, 1729003, 3458006, 5458987, 6916012, 8645015, 10917974, 17290030, 21835948, 27294935, 34580060, 54589870, 109179740, 485849843, 971699686, 1943399372, 2429249215, 4858498430, 9716996860]

約数ペア:

[(1, 9716996860), (2, 4858498430), (4, 2429249215), (5, 1943399372), (10, 971699686), (20, 485849843), (89, 109179740), (178, 54589870), (281, 34580060), (356, 27294935), (445, 21835948), (562, 17290030), (890, 10917974), (1124, 8645015), (1405, 6916012), (1780, 5458987), (2810, 3458006), (5620, 1729003), (19427, 500180), (25009, 388540), (38854, 250090), (50018, 194270), (77708, 125045), (97135, 100036)]