38087980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1381}}^1$

素因数の和:1594

約数の個数: 48

約数和(自身を含む): 91941696

約数和(自身を除く): 53853716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1381, 1970, 2758, 2762, 3940, 5516, 5524, 6895, 6905, 9667, 13790, 13810, 19334, 27580, 27620, 38668, 48335, 96670, 193340, 272057, 544114, 1088228, 1360285, 1904399, 2720570, 3808798, 5441140, 7617596, 9521995, 19043990, 38087980]

約数ペア:

[(1, 38087980), (2, 19043990), (4, 9521995), (5, 7617596), (7, 5441140), (10, 3808798), (14, 2720570), (20, 1904399), (28, 1360285), (35, 1088228), (70, 544114), (140, 272057), (197, 193340), (394, 96670), (788, 48335), (985, 38668), (1379, 27620), (1381, 27580), (1970, 19334), (2758, 13810), (2762, 13790), (3940, 9667), (5516, 6905), (5524, 6895)]