1710380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 4327680

約数和(自身を除く): 2617300

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 643, 665, 1286, 1330, 2572, 2660, 3215, 4501, 6430, 9002, 12217, 12860, 18004, 22505, 24434, 45010, 48868, 61085, 85519, 90020, 122170, 171038, 244340, 342076, 427595, 855190, 1710380]

約数ペア:

[(1, 1710380), (2, 855190), (4, 427595), (5, 342076), (7, 244340), (10, 171038), (14, 122170), (19, 90020), (20, 85519), (28, 61085), (35, 48868), (38, 45010), (70, 24434), (76, 22505), (95, 18004), (133, 12860), (140, 12217), (190, 9002), (266, 6430), (380, 4501), (532, 3215), (643, 2660), (665, 2572), (1286, 1330)]