2012590970890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{991}}^1\times {\mathrm{76091}}^1$

素因数の和:77263

約数の個数: 64

約数和(自身を含む): 3864139250688

約数和(自身を除く): 1851548279798

約数列:

[1, 2, 5, 10, 17, 34, 85, 157, 170, 314, 785, 991, 1570, 1982, 2669, 4955, 5338, 9910, 13345, 16847, 26690, 33694, 76091, 84235, 152182, 155587, 168470, 311174, 380455, 760910, 777935, 1293547, 1555870, 2587094, 2644979, 5289958, 6467735, 11946287, 12935470, 13224895, 23892574, 26449790, 59731435, 75406181, 119462870, 150812362, 203086879, 377030905, 406173758, 754061810, 1015434395, 1281905077, 2030868790, 2563810154, 6409525385, 11838770417, 12819050770, 23677540834, 59193852085, 118387704170, 201259097089, 402518194178, 1006295485445, 2012590970890]

約数ペア:

[(1, 2012590970890), (2, 1006295485445), (5, 402518194178), (10, 201259097089), (17, 118387704170), (34, 59193852085), (85, 23677540834), (157, 12819050770), (170, 11838770417), (314, 6409525385), (785, 2563810154), (991, 2030868790), (1570, 1281905077), (1982, 1015434395), (2669, 754061810), (4955, 406173758), (5338, 377030905), (9910, 203086879), (13345, 150812362), (16847, 119462870), (26690, 75406181), (33694, 59731435), (76091, 26449790), (84235, 23892574), (152182, 13224895), (155587, 12935470), (168470, 11946287), (311174, 6467735), (380455, 5289958), (760910, 2644979), (777935, 2587094), (1293547, 1555870)]