2990961215425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2207}}^1\times {\mathrm{138641}}^1$

素因数の和:140898

約数の個数: 48

約数和(自身を含む): 4099579610112

約数和(自身を除く): 1108618394687

約数列:

[1, 5, 17, 23, 25, 85, 115, 391, 425, 575, 1955, 2207, 9775, 11035, 37519, 50761, 55175, 138641, 187595, 253805, 693205, 862937, 937975, 1269025, 2356897, 3188743, 3466025, 4314685, 11784485, 15943715, 21573425, 54208631, 58922425, 79718575, 271043155, 305980687, 1355215775, 1529903435, 5201671679, 7037555801, 7649517175, 26008358395, 35187779005, 119638448617, 130041791975, 175938895025, 598192243085, 2990961215425]

約数ペア:

[(1, 2990961215425), (5, 598192243085), (17, 175938895025), (23, 130041791975), (25, 119638448617), (85, 35187779005), (115, 26008358395), (391, 7649517175), (425, 7037555801), (575, 5201671679), (1955, 1529903435), (2207, 1355215775), (9775, 305980687), (11035, 271043155), (37519, 79718575), (50761, 58922425), (55175, 54208631), (138641, 21573425), (187595, 15943715), (253805, 11784485), (693205, 4314685), (862937, 3466025), (937975, 3188743), (1269025, 2356897)]