171480980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{7151}}^1$

素因数の和:7280

約数の個数: 48

約数和(自身を含む): 396506880

約数和(自身を除く): 225025900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 2180, 2398, 4796, 5995, 7151, 11990, 14302, 23980, 28604, 35755, 71510, 78661, 143020, 157322, 314644, 393305, 779459, 786610, 1558918, 1573220, 3117836, 3897295, 7794590, 8574049, 15589180, 17148098, 34296196, 42870245, 85740490, 171480980]

約数ペア:

[(1, 171480980), (2, 85740490), (4, 42870245), (5, 34296196), (10, 17148098), (11, 15589180), (20, 8574049), (22, 7794590), (44, 3897295), (55, 3117836), (109, 1573220), (110, 1558918), (218, 786610), (220, 779459), (436, 393305), (545, 314644), (1090, 157322), (1199, 143020), (2180, 78661), (2398, 71510), (4796, 35755), (5995, 28604), (7151, 23980), (11990, 14302)]