78711990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{374819}}^1$

素因数の和:374836

約数の個数: 32

約数和(自身を含む): 215896320

約数和(自身を除く): 137184330

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 374819, 749638, 1124457, 1874095, 2248914, 2623733, 3748190, 5247466, 5622285, 7871199, 11244570, 13118665, 15742398, 26237330, 39355995, 78711990]

約数ペア:

[(1, 78711990), (2, 39355995), (3, 26237330), (5, 15742398), (6, 13118665), (7, 11244570), (10, 7871199), (14, 5622285), (15, 5247466), (21, 3748190), (30, 2623733), (35, 2248914), (42, 1874095), (70, 1124457), (105, 749638), (210, 374819)]