1723540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{947}}^1$

素因数の和:976

約数の個数: 48

約数和(自身を含む): 4459392

約数和(自身を除く): 2735852

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 947, 1820, 1894, 3788, 4735, 6629, 9470, 12311, 13258, 18940, 24622, 26516, 33145, 49244, 61555, 66290, 86177, 123110, 132580, 172354, 246220, 344708, 430885, 861770, 1723540]

約数ペア:

[(1, 1723540), (2, 861770), (4, 430885), (5, 344708), (7, 246220), (10, 172354), (13, 132580), (14, 123110), (20, 86177), (26, 66290), (28, 61555), (35, 49244), (52, 33145), (65, 26516), (70, 24622), (91, 18940), (130, 13258), (140, 12311), (182, 9470), (260, 6629), (364, 4735), (455, 3788), (910, 1894), (947, 1820)]