420210928

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{887}}^1\times {\mathrm{1021}}^1$

素因数の和:1945

約数の個数: 40

約数和(自身を含む): 844008480

約数和(自身を除く): 423797552

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 887, 1021, 1774, 2042, 3548, 4084, 7096, 8168, 14192, 16336, 25723, 29609, 51446, 59218, 102892, 118436, 205784, 236872, 411568, 473744, 905627, 1811254, 3622508, 7245016, 14490032, 26263183, 52526366, 105052732, 210105464, 420210928]

約数ペア:

[(1, 420210928), (2, 210105464), (4, 105052732), (8, 52526366), (16, 26263183), (29, 14490032), (58, 7245016), (116, 3622508), (232, 1811254), (464, 905627), (887, 473744), (1021, 411568), (1774, 236872), (2042, 205784), (3548, 118436), (4084, 102892), (7096, 59218), (8168, 51446), (14192, 29609), (16336, 25723)]