31514420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1381}}^1$

素因数の和:1560

約数の個数: 48

約数和(自身を含む): 76153728

約数和(自身を除く): 44639308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1141, 1381, 1630, 2282, 2762, 3260, 4564, 5524, 5705, 6905, 9667, 11410, 13810, 19334, 22820, 27620, 38668, 48335, 96670, 193340, 225103, 450206, 900412, 1125515, 1575721, 2251030, 3151442, 4502060, 6302884, 7878605, 15757210, 31514420]

約数ペア:

[(1, 31514420), (2, 15757210), (4, 7878605), (5, 6302884), (7, 4502060), (10, 3151442), (14, 2251030), (20, 1575721), (28, 1125515), (35, 900412), (70, 450206), (140, 225103), (163, 193340), (326, 96670), (652, 48335), (815, 38668), (1141, 27620), (1381, 22820), (1630, 19334), (2282, 13810), (2762, 11410), (3260, 9667), (4564, 6905), (5524, 5705)]