2704460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 6531840

約数和(自身を除く): 3827380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 647, 836, 1045, 1294, 2090, 2588, 3235, 4180, 6470, 7117, 12293, 12940, 14234, 24586, 28468, 35585, 49172, 61465, 71170, 122930, 135223, 142340, 245860, 270446, 540892, 676115, 1352230, 2704460]

約数ペア:

[(1, 2704460), (2, 1352230), (4, 676115), (5, 540892), (10, 270446), (11, 245860), (19, 142340), (20, 135223), (22, 122930), (38, 71170), (44, 61465), (55, 49172), (76, 35585), (95, 28468), (110, 24586), (190, 14234), (209, 12940), (220, 12293), (380, 7117), (418, 6470), (647, 4180), (836, 3235), (1045, 2588), (1294, 2090)]