2049670

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:157

約数の個数: 48

約数和(自身を含む): 4432320

約数和(自身を除く): 2382650

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 49, 70, 89, 94, 98, 178, 235, 245, 329, 445, 470, 490, 623, 658, 890, 1246, 1645, 2303, 3115, 3290, 4183, 4361, 4606, 6230, 8366, 8722, 11515, 20915, 21805, 23030, 29281, 41830, 43610, 58562, 146405, 204967, 292810, 409934, 1024835, 2049670]

約数ペア:

[(1, 2049670), (2, 1024835), (5, 409934), (7, 292810), (10, 204967), (14, 146405), (35, 58562), (47, 43610), (49, 41830), (70, 29281), (89, 23030), (94, 21805), (98, 20915), (178, 11515), (235, 8722), (245, 8366), (329, 6230), (445, 4606), (470, 4361), (490, 4183), (623, 3290), (658, 3115), (890, 2303), (1246, 1645)]