205501720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{4583}}^1$

素因数の和:4672

約数の個数: 64

約数和(自身を含む): 495072000

約数和(自身を除く): 289570280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 59, 76, 95, 118, 152, 190, 236, 295, 380, 472, 590, 760, 1121, 1180, 2242, 2360, 4484, 4583, 5605, 8968, 9166, 11210, 18332, 22420, 22915, 36664, 44840, 45830, 87077, 91660, 174154, 183320, 270397, 348308, 435385, 540794, 696616, 870770, 1081588, 1351985, 1741540, 2163176, 2703970, 3483080, 5137543, 5407940, 10275086, 10815880, 20550172, 25687715, 41100344, 51375430, 102750860, 205501720]

約数ペア:

[(1, 205501720), (2, 102750860), (4, 51375430), (5, 41100344), (8, 25687715), (10, 20550172), (19, 10815880), (20, 10275086), (38, 5407940), (40, 5137543), (59, 3483080), (76, 2703970), (95, 2163176), (118, 1741540), (152, 1351985), (190, 1081588), (236, 870770), (295, 696616), (380, 540794), (472, 435385), (590, 348308), (760, 270397), (1121, 183320), (1180, 174154), (2242, 91660), (2360, 87077), (4484, 45830), (4583, 44840), (5605, 36664), (8968, 22915), (9166, 22420), (11210, 18332)]