387637390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{487}}^1$

素因数の和:721

約数の個数: 64

約数和(自身を含む): 814593024

約数和(自身を除く): 426955634

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 83, 137, 166, 274, 415, 487, 581, 685, 830, 959, 974, 1162, 1370, 1918, 2435, 2905, 3409, 4795, 4870, 5810, 6818, 9590, 11371, 17045, 22742, 34090, 40421, 56855, 66719, 79597, 80842, 113710, 133438, 159194, 202105, 282947, 333595, 397985, 404210, 467033, 565894, 667190, 795970, 934066, 1414735, 2335165, 2829470, 4670330, 5537677, 11075354, 27688385, 38763739, 55376770, 77527478, 193818695, 387637390]

約数ペア:

[(1, 387637390), (2, 193818695), (5, 77527478), (7, 55376770), (10, 38763739), (14, 27688385), (35, 11075354), (70, 5537677), (83, 4670330), (137, 2829470), (166, 2335165), (274, 1414735), (415, 934066), (487, 795970), (581, 667190), (685, 565894), (830, 467033), (959, 404210), (974, 397985), (1162, 333595), (1370, 282947), (1918, 202105), (2435, 159194), (2905, 133438), (3409, 113710), (4795, 80842), (4870, 79597), (5810, 66719), (6818, 56855), (9590, 40421), (11371, 34090), (17045, 22742)]