1212802120

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{427043}}^1$

素因数の和:427125

約数の個数: 32

約数和(自身を含む): 2767245120

約数和(自身を除く): 1554443000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 427043, 854086, 1708172, 2135215, 3416344, 4270430, 8540860, 17081720, 30320053, 60640106, 121280212, 151600265, 242560424, 303200530, 606401060, 1212802120]

約数ペア:

[(1, 1212802120), (2, 606401060), (4, 303200530), (5, 242560424), (8, 151600265), (10, 121280212), (20, 60640106), (40, 30320053), (71, 17081720), (142, 8540860), (284, 4270430), (355, 3416344), (568, 2135215), (710, 1708172), (1420, 854086), (2840, 427043)]