2291740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{947}}^1$

素因数の和:978

約数の個数: 36

約数和(自身を含む): 5295528

約数和(自身を除く): 3003788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 947, 1210, 1894, 2420, 3788, 4735, 9470, 10417, 18940, 20834, 41668, 52085, 104170, 114587, 208340, 229174, 458348, 572935, 1145870, 2291740]

約数ペア:

[(1, 2291740), (2, 1145870), (4, 572935), (5, 458348), (10, 229174), (11, 208340), (20, 114587), (22, 104170), (44, 52085), (55, 41668), (110, 20834), (121, 18940), (220, 10417), (242, 9470), (484, 4735), (605, 3788), (947, 2420), (1210, 1894)]