66617800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{373}}^1$

素因数の和:455

約数の個数: 96

約数和(自身を含む): 166953600

約数和(自身を除く): 100335800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 47, 50, 76, 94, 95, 100, 152, 188, 190, 200, 235, 373, 376, 380, 470, 475, 746, 760, 893, 940, 950, 1175, 1492, 1786, 1865, 1880, 1900, 2350, 2984, 3572, 3730, 3800, 4465, 4700, 7087, 7144, 7460, 8930, 9325, 9400, 14174, 14920, 17531, 17860, 18650, 22325, 28348, 35062, 35435, 35720, 37300, 44650, 56696, 70124, 70870, 74600, 87655, 89300, 140248, 141740, 175310, 177175, 178600, 283480, 333089, 350620, 354350, 438275, 666178, 701240, 708700, 876550, 1332356, 1417400, 1665445, 1753100, 2664712, 3330890, 3506200, 6661780, 8327225, 13323560, 16654450, 33308900, 66617800]

約数ペア:

[(1, 66617800), (2, 33308900), (4, 16654450), (5, 13323560), (8, 8327225), (10, 6661780), (19, 3506200), (20, 3330890), (25, 2664712), (38, 1753100), (40, 1665445), (47, 1417400), (50, 1332356), (76, 876550), (94, 708700), (95, 701240), (100, 666178), (152, 438275), (188, 354350), (190, 350620), (200, 333089), (235, 283480), (373, 178600), (376, 177175), (380, 175310), (470, 141740), (475, 140248), (746, 89300), (760, 87655), (893, 74600), (940, 70870), (950, 70124), (1175, 56696), (1492, 44650), (1786, 37300), (1865, 35720), (1880, 35435), (1900, 35062), (2350, 28348), (2984, 22325), (3572, 18650), (3730, 17860), (3800, 17531), (4465, 14920), (4700, 14174), (7087, 9400), (7144, 9325), (7460, 8930)]