208442970

素因数分解:

$2^1\times 3^{10}\times 5^1\times {\mathrm{353}}^1$

素因数の和:390

約数の個数: 88

約数和(自身を含む): 564387156

約数和(自身を除く): 355944186

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 353, 405, 486, 706, 729, 810, 1059, 1215, 1458, 1765, 2118, 2187, 2430, 3177, 3530, 3645, 4374, 5295, 6354, 6561, 7290, 9531, 10590, 10935, 13122, 15885, 19062, 19683, 21870, 28593, 31770, 32805, 39366, 47655, 57186, 59049, 65610, 85779, 95310, 98415, 118098, 142965, 171558, 196830, 257337, 285930, 295245, 428895, 514674, 590490, 772011, 857790, 1286685, 1544022, 2316033, 2573370, 3860055, 4632066, 6948099, 7720110, 11580165, 13896198, 20844297, 23160330, 34740495, 41688594, 69480990, 104221485, 208442970]

約数ペア:

[(1, 208442970), (2, 104221485), (3, 69480990), (5, 41688594), (6, 34740495), (9, 23160330), (10, 20844297), (15, 13896198), (18, 11580165), (27, 7720110), (30, 6948099), (45, 4632066), (54, 3860055), (81, 2573370), (90, 2316033), (135, 1544022), (162, 1286685), (243, 857790), (270, 772011), (353, 590490), (405, 514674), (486, 428895), (706, 295245), (729, 285930), (810, 257337), (1059, 196830), (1215, 171558), (1458, 142965), (1765, 118098), (2118, 98415), (2187, 95310), (2430, 85779), (3177, 65610), (3530, 59049), (3645, 57186), (4374, 47655), (5295, 39366), (6354, 32805), (6561, 31770), (7290, 28593), (9531, 21870), (10590, 19683), (10935, 19062), (13122, 15885)]