217519250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:205

約数の個数: 128

約数和(自身を含む): 483065856

約数和(自身を除く): 265546606

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 31, 34, 50, 62, 65, 85, 125, 127, 130, 155, 170, 221, 250, 254, 310, 325, 403, 425, 442, 527, 635, 650, 775, 806, 850, 1054, 1105, 1270, 1550, 1625, 1651, 2015, 2125, 2159, 2210, 2635, 3175, 3250, 3302, 3875, 3937, 4030, 4250, 4318, 5270, 5525, 6350, 6851, 7750, 7874, 8255, 10075, 10795, 11050, 13175, 13702, 15875, 16510, 19685, 20150, 21590, 26350, 27625, 28067, 31750, 34255, 39370, 41275, 50375, 51181, 53975, 55250, 56134, 65875, 66929, 68510, 82550, 98425, 100750, 102362, 107950, 131750, 133858, 140335, 171275, 196850, 206375, 255905, 269875, 280670, 334645, 342550, 412750, 492125, 511810, 539750, 669290, 701675, 856375, 870077, 984250, 1279525, 1403350, 1673225, 1712750, 1740154, 2559050, 3346450, 3508375, 4350385, 6397625, 7016750, 8366125, 8700770, 12795250, 16732250, 21751925, 43503850, 108759625, 217519250]

約数ペア:

[(1, 217519250), (2, 108759625), (5, 43503850), (10, 21751925), (13, 16732250), (17, 12795250), (25, 8700770), (26, 8366125), (31, 7016750), (34, 6397625), (50, 4350385), (62, 3508375), (65, 3346450), (85, 2559050), (125, 1740154), (127, 1712750), (130, 1673225), (155, 1403350), (170, 1279525), (221, 984250), (250, 870077), (254, 856375), (310, 701675), (325, 669290), (403, 539750), (425, 511810), (442, 492125), (527, 412750), (635, 342550), (650, 334645), (775, 280670), (806, 269875), (850, 255905), (1054, 206375), (1105, 196850), (1270, 171275), (1550, 140335), (1625, 133858), (1651, 131750), (2015, 107950), (2125, 102362), (2159, 100750), (2210, 98425), (2635, 82550), (3175, 68510), (3250, 66929), (3302, 65875), (3875, 56134), (3937, 55250), (4030, 53975), (4250, 51181), (4318, 50375), (5270, 41275), (5525, 39370), (6350, 34255), (6851, 31750), (7750, 28067), (7874, 27625), (8255, 26350), (10075, 21590), (10795, 20150), (11050, 19685), (13175, 16510), (13702, 15875)]