219065660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{90523}}^1$

素因数の和:90554

約数の個数: 36

約数和(自身を含む): 505667064

約数和(自身を除く): 286601404

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 90523, 181046, 362092, 452615, 905230, 995753, 1810460, 1991506, 3983012, 4978765, 9957530, 10953283, 19915060, 21906566, 43813132, 54766415, 109532830, 219065660]

約数ペア:

[(1, 219065660), (2, 109532830), (4, 54766415), (5, 43813132), (10, 21906566), (11, 19915060), (20, 10953283), (22, 9957530), (44, 4978765), (55, 3983012), (110, 1991506), (121, 1810460), (220, 995753), (242, 905230), (484, 452615), (605, 362092), (1210, 181046), (2420, 90523)]