208117620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{385403}}^1$

素因数の和:385421

約数の個数: 48

約数和(自身を含む): 647478720

約数和(自身を除く): 439361100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 385403, 770806, 1156209, 1541612, 1927015, 2312418, 3468627, 3854030, 4624836, 5781045, 6937254, 7708060, 10405881, 11562090, 13874508, 17343135, 20811762, 23124180, 34686270, 41623524, 52029405, 69372540, 104058810, 208117620]

約数ペア:

[(1, 208117620), (2, 104058810), (3, 69372540), (4, 52029405), (5, 41623524), (6, 34686270), (9, 23124180), (10, 20811762), (12, 17343135), (15, 13874508), (18, 11562090), (20, 10405881), (27, 7708060), (30, 6937254), (36, 5781045), (45, 4624836), (54, 3854030), (60, 3468627), (90, 2312418), (108, 1927015), (135, 1541612), (180, 1156209), (270, 770806), (540, 385403)]