685220390

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:453

約数の個数: 64

約数和(自身を含む): 1301591808

約数和(自身を除く): 616371418

約数列:

[1, 2, 5, 10, 37, 67, 74, 131, 134, 185, 211, 262, 335, 370, 422, 655, 670, 1055, 1310, 2110, 2479, 4847, 4958, 7807, 8777, 9694, 12395, 14137, 15614, 17554, 24235, 24790, 27641, 28274, 39035, 43885, 48470, 55282, 70685, 78070, 87770, 138205, 141370, 276410, 324749, 523069, 649498, 1022717, 1046138, 1623745, 1851947, 2045434, 2615345, 3247490, 3703894, 5113585, 5230690, 9259735, 10227170, 18519470, 68522039, 137044078, 342610195, 685220390]

約数ペア:

[(1, 685220390), (2, 342610195), (5, 137044078), (10, 68522039), (37, 18519470), (67, 10227170), (74, 9259735), (131, 5230690), (134, 5113585), (185, 3703894), (211, 3247490), (262, 2615345), (335, 2045434), (370, 1851947), (422, 1623745), (655, 1046138), (670, 1022717), (1055, 649498), (1310, 523069), (2110, 324749), (2479, 276410), (4847, 141370), (4958, 138205), (7807, 87770), (8777, 78070), (9694, 70685), (12395, 55282), (14137, 48470), (15614, 43885), (17554, 39035), (24235, 28274), (24790, 27641)]