2011717730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{205487}}^1$

素因数の和:205594

約数の個数: 32

約数和(自身を含む): 3994686720

約数和(自身を除く): 1982968990

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 445, 890, 979, 1958, 4895, 9790, 205487, 410974, 1027435, 2054870, 2260357, 4520714, 11301785, 18288343, 22603570, 36576686, 91441715, 182883430, 201171773, 402343546, 1005858865, 2011717730]

約数ペア:

[(1, 2011717730), (2, 1005858865), (5, 402343546), (10, 201171773), (11, 182883430), (22, 91441715), (55, 36576686), (89, 22603570), (110, 18288343), (178, 11301785), (445, 4520714), (890, 2260357), (979, 2054870), (1958, 1027435), (4895, 410974), (9790, 205487)]