220655804

素因数分解:

$2^2\times {\mathrm{227}}^1\times {\mathrm{487}}^1\times {\mathrm{499}}^1$

素因数の和:1217

約数の個数: 24

約数和(自身を含む): 389424000

約数和(自身を除く): 168768196

約数列:

[1, 2, 4, 227, 454, 487, 499, 908, 974, 998, 1948, 1996, 110549, 113273, 221098, 226546, 243013, 442196, 453092, 486026, 972052, 55163951, 110327902, 220655804]

約数ペア:

[(1, 220655804), (2, 110327902), (4, 55163951), (227, 972052), (454, 486026), (487, 453092), (499, 442196), (908, 243013), (974, 226546), (998, 221098), (1948, 113273), (1996, 110549)]