2042940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{431}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 5806080

約数和(自身を除く): 3763140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 431, 474, 790, 862, 948, 1185, 1293, 1580, 1724, 2155, 2370, 2586, 4310, 4740, 5172, 6465, 8620, 12930, 25860, 34049, 68098, 102147, 136196, 170245, 204294, 340490, 408588, 510735, 680980, 1021470, 2042940]

約数ペア:

[(1, 2042940), (2, 1021470), (3, 680980), (4, 510735), (5, 408588), (6, 340490), (10, 204294), (12, 170245), (15, 136196), (20, 102147), (30, 68098), (60, 34049), (79, 25860), (158, 12930), (237, 8620), (316, 6465), (395, 5172), (431, 4740), (474, 4310), (790, 2586), (862, 2370), (948, 2155), (1185, 1724), (1293, 1580)]