213822220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{487}}^1\times {\mathrm{757}}^1$

素因数の和:1282

約数の個数: 48

約数和(自身を含む): 466079040

約数和(自身を除く): 252256820

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 487, 580, 757, 974, 1514, 1948, 2435, 3028, 3785, 4870, 7570, 9740, 14123, 15140, 21953, 28246, 43906, 56492, 70615, 87812, 109765, 141230, 219530, 282460, 368659, 439060, 737318, 1474636, 1843295, 3686590, 7373180, 10691111, 21382222, 42764444, 53455555, 106911110, 213822220]

約数ペア:

[(1, 213822220), (2, 106911110), (4, 53455555), (5, 42764444), (10, 21382222), (20, 10691111), (29, 7373180), (58, 3686590), (116, 1843295), (145, 1474636), (290, 737318), (487, 439060), (580, 368659), (757, 282460), (974, 219530), (1514, 141230), (1948, 109765), (2435, 87812), (3028, 70615), (3785, 56492), (4870, 43906), (7570, 28246), (9740, 21953), (14123, 15140)]