2103220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 5136768

約数和(自身を除く): 3033548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 181, 332, 362, 415, 581, 724, 830, 905, 1162, 1267, 1660, 1810, 2324, 2534, 2905, 3620, 5068, 5810, 6335, 11620, 12670, 15023, 25340, 30046, 60092, 75115, 105161, 150230, 210322, 300460, 420644, 525805, 1051610, 2103220]

約数ペア:

[(1, 2103220), (2, 1051610), (4, 525805), (5, 420644), (7, 300460), (10, 210322), (14, 150230), (20, 105161), (28, 75115), (35, 60092), (70, 30046), (83, 25340), (140, 15023), (166, 12670), (181, 11620), (332, 6335), (362, 5810), (415, 5068), (581, 3620), (724, 2905), (830, 2534), (905, 2324), (1162, 1810), (1267, 1660)]