445820218

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{1109}}^1$

素因数の和:1350

約数の個数: 32

約数和(自身を含む): 719280000

約数和(自身を除く): 273459782

約数列:

[1, 2, 19, 38, 71, 142, 149, 298, 1109, 1349, 2218, 2698, 2831, 5662, 10579, 21071, 21158, 42142, 78739, 157478, 165241, 201001, 330482, 402002, 1496041, 2992082, 3139579, 6279158, 11732111, 23464222, 222910109, 445820218]

約数ペア:

[(1, 445820218), (2, 222910109), (19, 23464222), (38, 11732111), (71, 6279158), (142, 3139579), (149, 2992082), (298, 1496041), (1109, 402002), (1349, 330482), (2218, 201001), (2698, 165241), (2831, 157478), (5662, 78739), (10579, 42142), (21071, 21158)]