163792340

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1\times {\mathrm{569}}^1$

素因数の和:1004

約数の個数: 48

約数和(自身を含む): 354790800

約数和(自身を除く): 190998460

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 389, 569, 740, 778, 1138, 1556, 1945, 2276, 2845, 3890, 5690, 7780, 11380, 14393, 21053, 28786, 42106, 57572, 71965, 84212, 105265, 143930, 210530, 221341, 287860, 421060, 442682, 885364, 1106705, 2213410, 4426820, 8189617, 16379234, 32758468, 40948085, 81896170, 163792340]

約数ペア:

[(1, 163792340), (2, 81896170), (4, 40948085), (5, 32758468), (10, 16379234), (20, 8189617), (37, 4426820), (74, 2213410), (148, 1106705), (185, 885364), (370, 442682), (389, 421060), (569, 287860), (740, 221341), (778, 210530), (1138, 143930), (1556, 105265), (1945, 84212), (2276, 71965), (2845, 57572), (3890, 42106), (5690, 28786), (7780, 21053), (11380, 14393)]