97807780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{5501}}^1$

素因数の和:5644

約数の個数: 48

約数和(自身を含む): 236630016

約数和(自身を除く): 138822236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 4445, 5501, 8890, 11002, 17780, 22004, 27505, 38507, 55010, 77014, 110020, 154028, 192535, 385070, 698627, 770140, 1397254, 2794508, 3493135, 4890389, 6986270, 9780778, 13972540, 19561556, 24451945, 48903890, 97807780]

約数ペア:

[(1, 97807780), (2, 48903890), (4, 24451945), (5, 19561556), (7, 13972540), (10, 9780778), (14, 6986270), (20, 4890389), (28, 3493135), (35, 2794508), (70, 1397254), (127, 770140), (140, 698627), (254, 385070), (508, 192535), (635, 154028), (889, 110020), (1270, 77014), (1778, 55010), (2540, 38507), (3556, 27505), (4445, 22004), (5501, 17780), (8890, 11002)]