156970821400

素因数分解:

$2^3\times 5^2\times {\mathrm{197}}^1\times {\mathrm{3984031}}^1$

素因数の和:3984244

約数の個数: 48

約数和(自身を含む): 366809826240

約数和(自身を除く): 209839004840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 197, 200, 394, 788, 985, 1576, 1970, 3940, 4925, 7880, 9850, 19700, 39400, 3984031, 7968062, 15936124, 19920155, 31872248, 39840310, 79680620, 99600775, 159361240, 199201550, 398403100, 784854107, 796806200, 1569708214, 3139416428, 3924270535, 6278832856, 7848541070, 15697082140, 19621352675, 31394164280, 39242705350, 78485410700, 156970821400]

約数ペア:

[(1, 156970821400), (2, 78485410700), (4, 39242705350), (5, 31394164280), (8, 19621352675), (10, 15697082140), (20, 7848541070), (25, 6278832856), (40, 3924270535), (50, 3139416428), (100, 1569708214), (197, 796806200), (200, 784854107), (394, 398403100), (788, 199201550), (985, 159361240), (1576, 99600775), (1970, 79680620), (3940, 39840310), (4925, 31872248), (7880, 19920155), (9850, 15936124), (19700, 7968062), (39400, 3984031)]