229671640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{521981}}^1$

素因数の和:522003

約数の個数: 32

約数和(自身を含む): 563740560

約数和(自身を除く): 334068920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 521981, 1043962, 2087924, 2609905, 4175848, 5219810, 5741791, 10439620, 11483582, 20879240, 22967164, 28708955, 45934328, 57417910, 114835820, 229671640]

約数ペア:

[(1, 229671640), (2, 114835820), (4, 57417910), (5, 45934328), (8, 28708955), (10, 22967164), (11, 20879240), (20, 11483582), (22, 10439620), (40, 5741791), (44, 5219810), (55, 4175848), (88, 2609905), (110, 2087924), (220, 1043962), (440, 521981)]