166339940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{1697}}^1$

素因数の和:1761

約数の個数: 72

約数和(自身を含む): 391524840

約数和(自身を除く): 225184900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 169, 260, 290, 338, 377, 580, 676, 754, 845, 1508, 1690, 1697, 1885, 3380, 3394, 3770, 4901, 6788, 7540, 8485, 9802, 16970, 19604, 22061, 24505, 33940, 44122, 49010, 49213, 88244, 98020, 98426, 110305, 196852, 220610, 246065, 286793, 441220, 492130, 573586, 639769, 984260, 1147172, 1279538, 1433965, 2559076, 2867930, 3198845, 5735860, 6397690, 8316997, 12795380, 16633994, 33267988, 41584985, 83169970, 166339940]

約数ペア:

[(1, 166339940), (2, 83169970), (4, 41584985), (5, 33267988), (10, 16633994), (13, 12795380), (20, 8316997), (26, 6397690), (29, 5735860), (52, 3198845), (58, 2867930), (65, 2559076), (116, 1433965), (130, 1279538), (145, 1147172), (169, 984260), (260, 639769), (290, 573586), (338, 492130), (377, 441220), (580, 286793), (676, 246065), (754, 220610), (845, 196852), (1508, 110305), (1690, 98426), (1697, 98020), (1885, 88244), (3380, 49213), (3394, 49010), (3770, 44122), (4901, 33940), (6788, 24505), (7540, 22061), (8485, 19604), (9802, 16970)]