987880740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{213827}}^1$

素因数の和:213857

約数の個数: 96

約数和(自身を含む): 3448617984

約数和(自身を除く): 2460737244

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 140, 154, 165, 210, 220, 231, 308, 330, 385, 420, 462, 660, 770, 924, 1155, 1540, 2310, 4620, 213827, 427654, 641481, 855308, 1069135, 1282962, 1496789, 2138270, 2352097, 2565924, 2993578, 3207405, 4276540, 4490367, 4704194, 5987156, 6414810, 7056291, 7483945, 8980734, 9408388, 11760485, 12829620, 14112582, 14967890, 16464679, 17961468, 22451835, 23520970, 28225164, 29935780, 32929358, 35281455, 44903670, 47041940, 49394037, 65858716, 70562910, 82323395, 89807340, 98788074, 141125820, 164646790, 197576148, 246970185, 329293580, 493940370, 987880740]

約数ペア:

[(1, 987880740), (2, 493940370), (3, 329293580), (4, 246970185), (5, 197576148), (6, 164646790), (7, 141125820), (10, 98788074), (11, 89807340), (12, 82323395), (14, 70562910), (15, 65858716), (20, 49394037), (21, 47041940), (22, 44903670), (28, 35281455), (30, 32929358), (33, 29935780), (35, 28225164), (42, 23520970), (44, 22451835), (55, 17961468), (60, 16464679), (66, 14967890), (70, 14112582), (77, 12829620), (84, 11760485), (105, 9408388), (110, 8980734), (132, 7483945), (140, 7056291), (154, 6414810), (165, 5987156), (210, 4704194), (220, 4490367), (231, 4276540), (308, 3207405), (330, 2993578), (385, 2565924), (420, 2352097), (462, 2138270), (660, 1496789), (770, 1282962), (924, 1069135), (1155, 855308), (1540, 641481), (2310, 427654), (4620, 213827)]