2289140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 5588352

約数和(自身を除く): 3299212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 197, 332, 394, 415, 581, 788, 830, 985, 1162, 1379, 1660, 1970, 2324, 2758, 2905, 3940, 5516, 5810, 6895, 11620, 13790, 16351, 27580, 32702, 65404, 81755, 114457, 163510, 228914, 327020, 457828, 572285, 1144570, 2289140]

約数ペア:

[(1, 2289140), (2, 1144570), (4, 572285), (5, 457828), (7, 327020), (10, 228914), (14, 163510), (20, 114457), (28, 81755), (35, 65404), (70, 32702), (83, 27580), (140, 16351), (166, 13790), (197, 11620), (332, 6895), (394, 5810), (415, 5516), (581, 3940), (788, 2905), (830, 2758), (985, 2324), (1162, 1970), (1379, 1660)]