201895540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131101}}^1$

素因数の和:131128

約数の個数: 48

約数和(自身を含む): 528603264

約数和(自身を除く): 326707724

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 131101, 262202, 524404, 655505, 917707, 1311010, 1442111, 1835414, 2622020, 2884222, 3670828, 4588535, 5768444, 7210555, 9177070, 10094777, 14421110, 18354140, 20189554, 28842220, 40379108, 50473885, 100947770, 201895540]

約数ペア:

[(1, 201895540), (2, 100947770), (4, 50473885), (5, 40379108), (7, 28842220), (10, 20189554), (11, 18354140), (14, 14421110), (20, 10094777), (22, 9177070), (28, 7210555), (35, 5768444), (44, 4588535), (55, 3670828), (70, 2884222), (77, 2622020), (110, 1835414), (140, 1442111), (154, 1311010), (220, 917707), (308, 655505), (385, 524404), (770, 262202), (1540, 131101)]