208509660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{386129}}^1$

素因数の和:386147

約数の個数: 48

約数和(自身を含む): 648698400

約数和(自身を除く): 440188740

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, 386129, 772258, 1158387, 1544516, 1930645, 2316774, 3475161, 3861290, 4633548, 5791935, 6950322, 7722580, 10425483, 11583870, 13900644, 17375805, 20850966, 23167740, 34751610, 41701932, 52127415, 69503220, 104254830, 208509660]

約数ペア:

[(1, 208509660), (2, 104254830), (3, 69503220), (4, 52127415), (5, 41701932), (6, 34751610), (9, 23167740), (10, 20850966), (12, 17375805), (15, 13900644), (18, 11583870), (20, 10425483), (27, 7722580), (30, 6950322), (36, 5791935), (45, 4633548), (54, 3861290), (60, 3475161), (90, 2316774), (108, 1930645), (135, 1544516), (180, 1158387), (270, 772258), (540, 386129)]