2049100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:706

約数の個数: 36

約数和(自身を含む): 4596928

約数和(自身を除く): 2547828

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 661, 775, 1322, 1550, 2644, 3100, 3305, 6610, 13220, 16525, 20491, 33050, 40982, 66100, 81964, 102455, 204910, 409820, 512275, 1024550, 2049100]

約数ペア:

[(1, 2049100), (2, 1024550), (4, 512275), (5, 409820), (10, 204910), (20, 102455), (25, 81964), (31, 66100), (50, 40982), (62, 33050), (100, 20491), (124, 16525), (155, 13220), (310, 6610), (620, 3305), (661, 3100), (775, 2644), (1322, 1550)]