277761740

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{227}}^1\times {\mathrm{317}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 590762592

約数和(自身を除く): 313000852

約数列:

[1, 2, 4, 5, 10, 20, 193, 227, 317, 386, 454, 634, 772, 908, 965, 1135, 1268, 1585, 1930, 2270, 3170, 3860, 4540, 6340, 43811, 61181, 71959, 87622, 122362, 143918, 175244, 219055, 244724, 287836, 305905, 359795, 438110, 611810, 719590, 876220, 1223620, 1439180, 13888087, 27776174, 55552348, 69440435, 138880870, 277761740]

約数ペア:

[(1, 277761740), (2, 138880870), (4, 69440435), (5, 55552348), (10, 27776174), (20, 13888087), (193, 1439180), (227, 1223620), (317, 876220), (386, 719590), (454, 611810), (634, 438110), (772, 359795), (908, 305905), (965, 287836), (1135, 244724), (1268, 219055), (1585, 175244), (1930, 143918), (2270, 122362), (3170, 87622), (3860, 71959), (4540, 61181), (6340, 43811)]