51822820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1879}}^1$

素因数の和:2092

約数の個数: 48

約数和(自身を含む): 125072640

約数和(自身を除く): 73249820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1879, 1970, 2758, 3758, 3940, 5516, 6895, 7516, 9395, 13153, 13790, 18790, 26306, 27580, 37580, 52612, 65765, 131530, 263060, 370163, 740326, 1480652, 1850815, 2591141, 3701630, 5182282, 7403260, 10364564, 12955705, 25911410, 51822820]

約数ペア:

[(1, 51822820), (2, 25911410), (4, 12955705), (5, 10364564), (7, 7403260), (10, 5182282), (14, 3701630), (20, 2591141), (28, 1850815), (35, 1480652), (70, 740326), (140, 370163), (197, 263060), (394, 131530), (788, 65765), (985, 52612), (1379, 37580), (1879, 27580), (1970, 26306), (2758, 18790), (3758, 13790), (3940, 13153), (5516, 9395), (6895, 7516)]