2012048780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2053111}}^1$

素因数の和:2053134

約数の個数: 36

約数和(自身を含む): 4915150128

約数和(自身を除く): 2903101348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2053111, 4106222, 8212444, 10265555, 14371777, 20531110, 28743554, 41062220, 57487108, 71858885, 100602439, 143717770, 201204878, 287435540, 402409756, 503012195, 1006024390, 2012048780]

約数ペア:

[(1, 2012048780), (2, 1006024390), (4, 503012195), (5, 402409756), (7, 287435540), (10, 201204878), (14, 143717770), (20, 100602439), (28, 71858885), (35, 57487108), (49, 41062220), (70, 28743554), (98, 20531110), (140, 14371777), (196, 10265555), (245, 8212444), (490, 4106222), (980, 2053111)]