78402380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{560017}}^1$

素因数の和:560033

約数の個数: 24

約数和(自身を含む): 188166048

約数和(自身を除く): 109763668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 560017, 1120034, 2240068, 2800085, 3920119, 5600170, 7840238, 11200340, 15680476, 19600595, 39201190, 78402380]

約数ペア:

[(1, 78402380), (2, 39201190), (4, 19600595), (5, 15680476), (7, 11200340), (10, 7840238), (14, 5600170), (20, 3920119), (28, 2800085), (35, 2240068), (70, 1120034), (140, 560017)]