2019421700

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{2389}}^1$

素因数の和:2589

約数の個数: 72

約数和(自身を含む): 4480963200

約数和(自身を除く): 2461541500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 107, 158, 214, 316, 395, 428, 535, 790, 1070, 1580, 1975, 2140, 2389, 2675, 3950, 4778, 5350, 7900, 8453, 9556, 10700, 11945, 16906, 23890, 33812, 42265, 47780, 59725, 84530, 119450, 169060, 188731, 211325, 238900, 255623, 377462, 422650, 511246, 754924, 845300, 943655, 1022492, 1278115, 1887310, 2556230, 3774620, 4718275, 5112460, 6390575, 9436550, 12781150, 18873100, 20194217, 25562300, 40388434, 80776868, 100971085, 201942170, 403884340, 504855425, 1009710850, 2019421700]

約数ペア:

[(1, 2019421700), (2, 1009710850), (4, 504855425), (5, 403884340), (10, 201942170), (20, 100971085), (25, 80776868), (50, 40388434), (79, 25562300), (100, 20194217), (107, 18873100), (158, 12781150), (214, 9436550), (316, 6390575), (395, 5112460), (428, 4718275), (535, 3774620), (790, 2556230), (1070, 1887310), (1580, 1278115), (1975, 1022492), (2140, 943655), (2389, 845300), (2675, 754924), (3950, 511246), (4778, 422650), (5350, 377462), (7900, 255623), (8453, 238900), (9556, 211325), (10700, 188731), (11945, 169060), (16906, 119450), (23890, 84530), (33812, 59725), (42265, 47780)]