1386005320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{25127}}^1$

素因数の和:25342

約数の個数: 64

約数和(自身を含む): 3582247680

約数和(自身を除く): 2196242360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 788, 985, 1379, 1576, 1970, 2758, 3940, 5516, 6895, 7880, 11032, 13790, 25127, 27580, 50254, 55160, 100508, 125635, 175889, 201016, 251270, 351778, 502540, 703556, 879445, 1005080, 1407112, 1758890, 3517780, 4950019, 7035560, 9900038, 19800076, 24750095, 34650133, 39600152, 49500190, 69300266, 99000380, 138600532, 173250665, 198000760, 277201064, 346501330, 693002660, 1386005320]

約数ペア:

[(1, 1386005320), (2, 693002660), (4, 346501330), (5, 277201064), (7, 198000760), (8, 173250665), (10, 138600532), (14, 99000380), (20, 69300266), (28, 49500190), (35, 39600152), (40, 34650133), (56, 24750095), (70, 19800076), (140, 9900038), (197, 7035560), (280, 4950019), (394, 3517780), (788, 1758890), (985, 1407112), (1379, 1005080), (1576, 879445), (1970, 703556), (2758, 502540), (3940, 351778), (5516, 251270), (6895, 201016), (7880, 175889), (11032, 125635), (13790, 100508), (25127, 55160), (27580, 50254)]