28166460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{337}}^1$

素因数の和:555

約数の個数: 96

約数和(自身を含む): 90854400

約数和(自身を除く): 62687940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 199, 210, 337, 398, 420, 597, 674, 796, 995, 1011, 1194, 1348, 1393, 1685, 1990, 2022, 2359, 2388, 2786, 2985, 3370, 3980, 4044, 4179, 4718, 5055, 5572, 5970, 6740, 6965, 7077, 8358, 9436, 10110, 11795, 11940, 13930, 14154, 16716, 20220, 20895, 23590, 27860, 28308, 35385, 41790, 47180, 67063, 70770, 83580, 134126, 141540, 201189, 268252, 335315, 402378, 469441, 670630, 804756, 938882, 1005945, 1341260, 1408323, 1877764, 2011890, 2347205, 2816646, 4023780, 4694410, 5633292, 7041615, 9388820, 14083230, 28166460]

約数ペア:

[(1, 28166460), (2, 14083230), (3, 9388820), (4, 7041615), (5, 5633292), (6, 4694410), (7, 4023780), (10, 2816646), (12, 2347205), (14, 2011890), (15, 1877764), (20, 1408323), (21, 1341260), (28, 1005945), (30, 938882), (35, 804756), (42, 670630), (60, 469441), (70, 402378), (84, 335315), (105, 268252), (140, 201189), (199, 141540), (210, 134126), (337, 83580), (398, 70770), (420, 67063), (597, 47180), (674, 41790), (796, 35385), (995, 28308), (1011, 27860), (1194, 23590), (1348, 20895), (1393, 20220), (1685, 16716), (1990, 14154), (2022, 13930), (2359, 11940), (2388, 11795), (2786, 10110), (2985, 9436), (3370, 8358), (3980, 7077), (4044, 6965), (4179, 6740), (4718, 5970), (5055, 5572)]