1353380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1381}}^1$

素因数の和:1404

約数の個数: 36

約数和(自身を含む): 3308508

約数和(自身を除く): 1955128

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1381, 2762, 5524, 6905, 9667, 13810, 19334, 27620, 38668, 48335, 67669, 96670, 135338, 193340, 270676, 338345, 676690, 1353380]

約数ペア:

[(1, 1353380), (2, 676690), (4, 338345), (5, 270676), (7, 193340), (10, 135338), (14, 96670), (20, 67669), (28, 48335), (35, 38668), (49, 27620), (70, 19334), (98, 13810), (140, 9667), (196, 6905), (245, 5524), (490, 2762), (980, 1381)]