208710540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{386501}}^1$

素因数の和:386519

約数の個数: 48

約数和(自身を含む): 649323360

約数和(自身を除く): 440612820

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, 386501, 773002, 1159503, 1546004, 1932505, 2319006, 3478509, 3865010, 4638012, 5797515, 6957018, 7730020, 10435527, 11595030, 13914036, 17392545, 20871054, 23190060, 34785090, 41742108, 52177635, 69570180, 104355270, 208710540]

約数ペア:

[(1, 208710540), (2, 104355270), (3, 69570180), (4, 52177635), (5, 41742108), (6, 34785090), (9, 23190060), (10, 20871054), (12, 17392545), (15, 13914036), (18, 11595030), (20, 10435527), (27, 7730020), (30, 6957018), (36, 5797515), (45, 4638012), (54, 3865010), (60, 3478509), (90, 2319006), (108, 1932505), (135, 1546004), (180, 1159503), (270, 773002), (540, 386501)]