199035140

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{1823}}^1$

素因数の和:1988

約数の個数: 48

約数和(自身を含む): 430230528

約数和(自身を除く): 231195388

約数列:

[1, 2, 4, 5, 10, 20, 53, 103, 106, 206, 212, 265, 412, 515, 530, 1030, 1060, 1823, 2060, 3646, 5459, 7292, 9115, 10918, 18230, 21836, 27295, 36460, 54590, 96619, 109180, 187769, 193238, 375538, 386476, 483095, 751076, 938845, 966190, 1877690, 1932380, 3755380, 9951757, 19903514, 39807028, 49758785, 99517570, 199035140]

約数ペア:

[(1, 199035140), (2, 99517570), (4, 49758785), (5, 39807028), (10, 19903514), (20, 9951757), (53, 3755380), (103, 1932380), (106, 1877690), (206, 966190), (212, 938845), (265, 751076), (412, 483095), (515, 386476), (530, 375538), (1030, 193238), (1060, 187769), (1823, 109180), (2060, 96619), (3646, 54590), (5459, 36460), (7292, 27295), (9115, 21836), (10918, 18230)]