254369570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:256

約数の個数: 128

約数和(自身を含む): 594542592

約数和(自身を除く): 340173022

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 62, 65, 70, 71, 91, 127, 130, 142, 155, 182, 217, 254, 310, 355, 403, 434, 455, 497, 635, 710, 806, 889, 910, 923, 994, 1085, 1270, 1651, 1778, 1846, 2015, 2170, 2201, 2485, 2821, 3302, 3937, 4030, 4402, 4445, 4615, 4970, 5642, 6461, 7874, 8255, 8890, 9017, 9230, 11005, 11557, 12922, 14105, 15407, 16510, 18034, 19685, 22010, 23114, 27559, 28210, 28613, 30814, 32305, 39370, 45085, 51181, 55118, 57226, 57785, 63119, 64610, 77035, 90170, 102362, 115570, 117221, 126238, 137795, 143065, 154070, 200291, 234442, 255905, 275590, 279527, 286130, 315595, 358267, 400582, 511810, 559054, 586105, 631190, 716534, 820547, 1001455, 1172210, 1397635, 1641094, 1791335, 1956689, 2002910, 2795270, 3582670, 3633851, 3913378, 4102735, 7267702, 8205470, 9783445, 18169255, 19566890, 25436957, 36338510, 50873914, 127184785, 254369570]

約数ペア:

[(1, 254369570), (2, 127184785), (5, 50873914), (7, 36338510), (10, 25436957), (13, 19566890), (14, 18169255), (26, 9783445), (31, 8205470), (35, 7267702), (62, 4102735), (65, 3913378), (70, 3633851), (71, 3582670), (91, 2795270), (127, 2002910), (130, 1956689), (142, 1791335), (155, 1641094), (182, 1397635), (217, 1172210), (254, 1001455), (310, 820547), (355, 716534), (403, 631190), (434, 586105), (455, 559054), (497, 511810), (635, 400582), (710, 358267), (806, 315595), (889, 286130), (910, 279527), (923, 275590), (994, 255905), (1085, 234442), (1270, 200291), (1651, 154070), (1778, 143065), (1846, 137795), (2015, 126238), (2170, 117221), (2201, 115570), (2485, 102362), (2821, 90170), (3302, 77035), (3937, 64610), (4030, 63119), (4402, 57785), (4445, 57226), (4615, 55118), (4970, 51181), (5642, 45085), (6461, 39370), (7874, 32305), (8255, 30814), (8890, 28613), (9017, 28210), (9230, 27559), (11005, 23114), (11557, 22010), (12922, 19685), (14105, 18034), (15407, 16510)]