168086940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{400207}}^1$

素因数の和:400226

約数の個数: 48

約数和(自身を含む): 537879552

約数和(自身を除く): 369792612

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, 400207, 800414, 1200621, 1600828, 2001035, 2401242, 2801449, 4002070, 4802484, 5602898, 6003105, 8004140, 8404347, 11205796, 12006210, 14007245, 16808694, 24012420, 28014490, 33617388, 42021735, 56028980, 84043470, 168086940]

約数ペア:

[(1, 168086940), (2, 84043470), (3, 56028980), (4, 42021735), (5, 33617388), (6, 28014490), (7, 24012420), (10, 16808694), (12, 14007245), (14, 12006210), (15, 11205796), (20, 8404347), (21, 8004140), (28, 6003105), (30, 5602898), (35, 4802484), (42, 4002070), (60, 2801449), (70, 2401242), (84, 2001035), (105, 1600828), (140, 1200621), (210, 800414), (420, 400207)]