858912940

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{704027}}^1$

素因数の和:704097

約数の個数: 24

約数和(自身を含む): 1833288912

約数和(自身を除く): 974375972

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 704027, 1408054, 2816108, 3520135, 7040270, 14080540, 42945647, 85891294, 171782588, 214728235, 429456470, 858912940]

約数ペア:

[(1, 858912940), (2, 429456470), (4, 214728235), (5, 171782588), (10, 85891294), (20, 42945647), (61, 14080540), (122, 7040270), (244, 3520135), (305, 2816108), (610, 1408054), (1220, 704027)]