168201908

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1$

素因数の和:146

約数の個数: 108

約数和(自身を含む): 380358720

約数和(自身を除く): 212156812

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 47, 49, 62, 76, 94, 98, 124, 133, 188, 196, 217, 266, 329, 434, 532, 589, 658, 868, 893, 931, 961, 1178, 1316, 1457, 1519, 1786, 1862, 1922, 2303, 2356, 2914, 3038, 3572, 3724, 3844, 4123, 4606, 5828, 6076, 6251, 6727, 8246, 9212, 10199, 12502, 13454, 16492, 18259, 20398, 25004, 26908, 27683, 28861, 36518, 40796, 43757, 45167, 47089, 55366, 57722, 71393, 73036, 87514, 90334, 94178, 110732, 115444, 127813, 142786, 175028, 180668, 188356, 193781, 255626, 285572, 316169, 387562, 511252, 632338, 775124, 858173, 894691, 1264676, 1356467, 1716346, 1789382, 2213183, 2712934, 3432692, 3578764, 4426366, 5425868, 6007211, 8852732, 12014422, 24028844, 42050477, 84100954, 168201908]

約数ペア:

[(1, 168201908), (2, 84100954), (4, 42050477), (7, 24028844), (14, 12014422), (19, 8852732), (28, 6007211), (31, 5425868), (38, 4426366), (47, 3578764), (49, 3432692), (62, 2712934), (76, 2213183), (94, 1789382), (98, 1716346), (124, 1356467), (133, 1264676), (188, 894691), (196, 858173), (217, 775124), (266, 632338), (329, 511252), (434, 387562), (532, 316169), (589, 285572), (658, 255626), (868, 193781), (893, 188356), (931, 180668), (961, 175028), (1178, 142786), (1316, 127813), (1457, 115444), (1519, 110732), (1786, 94178), (1862, 90334), (1922, 87514), (2303, 73036), (2356, 71393), (2914, 57722), (3038, 55366), (3572, 47089), (3724, 45167), (3844, 43757), (4123, 40796), (4606, 36518), (5828, 28861), (6076, 27683), (6251, 26908), (6727, 25004), (8246, 20398), (9212, 18259), (10199, 16492), (12502, 13454)]