2086420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2129}}^1$

素因数の和:2152

約数の個数: 36

約数和(自身を含む): 5099220

約数和(自身を除く): 3012800

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2129, 4258, 8516, 10645, 14903, 21290, 29806, 42580, 59612, 74515, 104321, 149030, 208642, 298060, 417284, 521605, 1043210, 2086420]

約数ペア:

[(1, 2086420), (2, 1043210), (4, 521605), (5, 417284), (7, 298060), (10, 208642), (14, 149030), (20, 104321), (28, 74515), (35, 59612), (49, 42580), (70, 29806), (98, 21290), (140, 14903), (196, 10645), (245, 8516), (490, 4258), (980, 2129)]