2222840

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{911}}^1$

素因数の和:983

約数の個数: 32

約数和(自身を含む): 5088960

約数和(自身を除く): 2866120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 911, 1220, 1822, 2440, 3644, 4555, 7288, 9110, 18220, 36440, 55571, 111142, 222284, 277855, 444568, 555710, 1111420, 2222840]

約数ペア:

[(1, 2222840), (2, 1111420), (4, 555710), (5, 444568), (8, 277855), (10, 222284), (20, 111142), (40, 55571), (61, 36440), (122, 18220), (244, 9110), (305, 7288), (488, 4555), (610, 3644), (911, 2440), (1220, 1822)]