393156940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{77699}}^1$

素因数の和:77742

約数の個数: 48

約数和(自身を含む): 939859200

約数和(自身を除く): 546702260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 77699, 155398, 310796, 388495, 776990, 854689, 1553980, 1709378, 1787077, 3418756, 3574154, 4273445, 7148308, 8546890, 8935385, 17093780, 17870770, 19657847, 35741540, 39315694, 78631388, 98289235, 196578470, 393156940]

約数ペア:

[(1, 393156940), (2, 196578470), (4, 98289235), (5, 78631388), (10, 39315694), (11, 35741540), (20, 19657847), (22, 17870770), (23, 17093780), (44, 8935385), (46, 8546890), (55, 7148308), (92, 4273445), (110, 3574154), (115, 3418756), (220, 1787077), (230, 1709378), (253, 1553980), (460, 854689), (506, 776990), (1012, 388495), (1265, 310796), (2530, 155398), (5060, 77699)]