201568840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{2531}}^1$

素因数の和:2734

約数の個数: 64

約数和(自身を含む): 497689920

約数和(自身を除く): 296121080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 181, 220, 362, 440, 724, 905, 1448, 1810, 1991, 2531, 3620, 3982, 5062, 7240, 7964, 9955, 10124, 12655, 15928, 19910, 20248, 25310, 27841, 39820, 50620, 55682, 79640, 101240, 111364, 139205, 222728, 278410, 458111, 556820, 916222, 1113640, 1832444, 2290555, 3664888, 4581110, 5039221, 9162220, 10078442, 18324440, 20156884, 25196105, 40313768, 50392210, 100784420, 201568840]

約数ペア:

[(1, 201568840), (2, 100784420), (4, 50392210), (5, 40313768), (8, 25196105), (10, 20156884), (11, 18324440), (20, 10078442), (22, 9162220), (40, 5039221), (44, 4581110), (55, 3664888), (88, 2290555), (110, 1832444), (181, 1113640), (220, 916222), (362, 556820), (440, 458111), (724, 278410), (905, 222728), (1448, 139205), (1810, 111364), (1991, 101240), (2531, 79640), (3620, 55682), (3982, 50620), (5062, 39820), (7240, 27841), (7964, 25310), (9955, 20248), (10124, 19910), (12655, 15928)]