7290140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2549}}^1$

素因数の和:2582

約数の個数: 48

約数和(自身を含む): 17992800

約数和(自身を除く): 10702660

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2549, 2860, 5098, 10196, 12745, 25490, 28039, 33137, 50980, 56078, 66274, 112156, 132548, 140195, 165685, 280390, 331370, 364507, 560780, 662740, 729014, 1458028, 1822535, 3645070, 7290140]

約数ペア:

[(1, 7290140), (2, 3645070), (4, 1822535), (5, 1458028), (10, 729014), (11, 662740), (13, 560780), (20, 364507), (22, 331370), (26, 280390), (44, 165685), (52, 140195), (55, 132548), (65, 112156), (110, 66274), (130, 56078), (143, 50980), (220, 33137), (260, 28039), (286, 25490), (572, 12745), (715, 10196), (1430, 5098), (2549, 2860)]