1111420

素因数分解:

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

素因数の和:981

約数の個数: 24

約数和(自身を含む): 2374848

約数和(自身を除く): 1263428

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 911, 1220, 1822, 3644, 4555, 9110, 18220, 55571, 111142, 222284, 277855, 555710, 1111420]

約数ペア:

[(1, 1111420), (2, 555710), (4, 277855), (5, 222284), (10, 111142), (20, 55571), (61, 18220), (122, 9110), (244, 4555), (305, 3644), (610, 1822), (911, 1220)]