204160660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{10427}}^1$

素因数の和:10536

約数の個数: 48

約数和(自身を含む): 473014080

約数和(自身を除く): 268853420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 3916, 4895, 9790, 10427, 19580, 20854, 41708, 52135, 104270, 114697, 208540, 229394, 458788, 573485, 928003, 1146970, 1856006, 2293940, 3712012, 4640015, 9280030, 10208033, 18560060, 20416066, 40832132, 51040165, 102080330, 204160660]

約数ペア:

[(1, 204160660), (2, 102080330), (4, 51040165), (5, 40832132), (10, 20416066), (11, 18560060), (20, 10208033), (22, 9280030), (44, 4640015), (55, 3712012), (89, 2293940), (110, 1856006), (178, 1146970), (220, 928003), (356, 573485), (445, 458788), (890, 229394), (979, 208540), (1780, 114697), (1958, 104270), (3916, 52135), (4895, 41708), (9790, 20854), (10427, 19580)]