4444660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 10342080

約数和(自身を除く): 5897420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 227, 356, 445, 454, 890, 908, 979, 1135, 1780, 1958, 2270, 2497, 3916, 4540, 4895, 4994, 9790, 9988, 12485, 19580, 20203, 24970, 40406, 49940, 80812, 101015, 202030, 222233, 404060, 444466, 888932, 1111165, 2222330, 4444660]

約数ペア:

[(1, 4444660), (2, 2222330), (4, 1111165), (5, 888932), (10, 444466), (11, 404060), (20, 222233), (22, 202030), (44, 101015), (55, 80812), (89, 49940), (110, 40406), (178, 24970), (220, 20203), (227, 19580), (356, 12485), (445, 9988), (454, 9790), (890, 4994), (908, 4895), (979, 4540), (1135, 3916), (1780, 2497), (1958, 2270)]