261139970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9257}}^1$

素因数の和:9315

約数の個数: 64

約数和(自身を含む): 597252096

約数和(自身を除く): 336112126

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 62, 65, 70, 91, 130, 155, 182, 217, 310, 403, 434, 455, 806, 910, 1085, 2015, 2170, 2821, 4030, 5642, 9257, 14105, 18514, 28210, 46285, 64799, 92570, 120341, 129598, 240682, 286967, 323995, 573934, 601705, 647990, 842387, 1203410, 1434835, 1684774, 2008769, 2869670, 3730571, 4017538, 4211935, 7461142, 8423870, 10043845, 18652855, 20087690, 26113997, 37305710, 52227994, 130569985, 261139970]

約数ペア:

[(1, 261139970), (2, 130569985), (5, 52227994), (7, 37305710), (10, 26113997), (13, 20087690), (14, 18652855), (26, 10043845), (31, 8423870), (35, 7461142), (62, 4211935), (65, 4017538), (70, 3730571), (91, 2869670), (130, 2008769), (155, 1684774), (182, 1434835), (217, 1203410), (310, 842387), (403, 647990), (434, 601705), (455, 573934), (806, 323995), (910, 286967), (1085, 240682), (2015, 129598), (2170, 120341), (2821, 92570), (4030, 64799), (5642, 46285), (9257, 28210), (14105, 18514)]