168175140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{400417}}^1$

素因数の和:400436

約数の個数: 48

約数和(自身を含む): 538161792

約数和(自身を除く): 369986652

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 400417, 800834, 1201251, 1601668, 2002085, 2402502, 2802919, 4004170, 4805004, 5605838, 6006255, 8008340, 8408757, 11211676, 12012510, 14014595, 16817514, 24025020, 28029190, 33635028, 42043785, 56058380, 84087570, 168175140]

約数ペア:

[(1, 168175140), (2, 84087570), (3, 56058380), (4, 42043785), (5, 33635028), (6, 28029190), (7, 24025020), (10, 16817514), (12, 14014595), (14, 12012510), (15, 11211676), (20, 8408757), (21, 8008340), (28, 6006255), (30, 5605838), (35, 4805004), (42, 4004170), (60, 2802919), (70, 2402502), (84, 2002085), (105, 1601668), (140, 1201251), (210, 800834), (420, 400417)]