438460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1993}}^1$

素因数の和:2013

約数の個数: 24

約数和(自身を含む): 1004976

約数和(自身を除く): 566516

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1993, 3986, 7972, 9965, 19930, 21923, 39860, 43846, 87692, 109615, 219230, 438460]

約数ペア:

[(1, 438460), (2, 219230), (4, 109615), (5, 87692), (10, 43846), (11, 39860), (20, 21923), (22, 19930), (44, 9965), (55, 7972), (110, 3986), (220, 1993)]