209420460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{9161}}^1$

素因数の和:9303

約数の個数: 72

約数和(自身を含む): 640313856

約数和(自身を除く): 430893396

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 127, 180, 254, 381, 508, 635, 762, 1143, 1270, 1524, 1905, 2286, 2540, 3810, 4572, 5715, 7620, 9161, 11430, 18322, 22860, 27483, 36644, 45805, 54966, 82449, 91610, 109932, 137415, 164898, 183220, 274830, 329796, 412245, 549660, 824490, 1163447, 1648980, 2326894, 3490341, 4653788, 5817235, 6980682, 10471023, 11634470, 13961364, 17451705, 20942046, 23268940, 34903410, 41884092, 52355115, 69806820, 104710230, 209420460]

約数ペア:

[(1, 209420460), (2, 104710230), (3, 69806820), (4, 52355115), (5, 41884092), (6, 34903410), (9, 23268940), (10, 20942046), (12, 17451705), (15, 13961364), (18, 11634470), (20, 10471023), (30, 6980682), (36, 5817235), (45, 4653788), (60, 3490341), (90, 2326894), (127, 1648980), (180, 1163447), (254, 824490), (381, 549660), (508, 412245), (635, 329796), (762, 274830), (1143, 183220), (1270, 164898), (1524, 137415), (1905, 109932), (2286, 91610), (2540, 82449), (3810, 54966), (4572, 45805), (5715, 36644), (7620, 27483), (9161, 22860), (11430, 18322)]