2085020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 5116608

約数和(自身を除く): 3031588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 281, 371, 530, 562, 742, 1060, 1124, 1405, 1484, 1855, 1967, 2810, 3710, 3934, 5620, 7420, 7868, 9835, 14893, 19670, 29786, 39340, 59572, 74465, 104251, 148930, 208502, 297860, 417004, 521255, 1042510, 2085020]

約数ペア:

[(1, 2085020), (2, 1042510), (4, 521255), (5, 417004), (7, 297860), (10, 208502), (14, 148930), (20, 104251), (28, 74465), (35, 59572), (53, 39340), (70, 29786), (106, 19670), (140, 14893), (212, 9835), (265, 7868), (281, 7420), (371, 5620), (530, 3934), (562, 3710), (742, 2810), (1060, 1967), (1124, 1855), (1405, 1484)]