201215080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{457307}}^1$

素因数の和:457329

約数の個数: 32

約数和(自身を含む): 493892640

約数和(自身を除く): 292677560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 457307, 914614, 1829228, 2286535, 3658456, 4573070, 5030377, 9146140, 10060754, 18292280, 20121508, 25151885, 40243016, 50303770, 100607540, 201215080]

約数ペア:

[(1, 201215080), (2, 100607540), (4, 50303770), (5, 40243016), (8, 25151885), (10, 20121508), (11, 18292280), (20, 10060754), (22, 9146140), (40, 5030377), (44, 4573070), (55, 3658456), (88, 2286535), (110, 1829228), (220, 914614), (440, 457307)]