51394280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{191}}^1$

素因数の和:271

約数の個数: 96

約数和(自身を含む): 137272320

約数和(自身を除く): 85878040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 191, 217, 248, 280, 310, 382, 434, 620, 764, 868, 955, 961, 1085, 1240, 1337, 1528, 1736, 1910, 1922, 2170, 2674, 3820, 3844, 4340, 4805, 5348, 5921, 6685, 6727, 7640, 7688, 8680, 9610, 10696, 11842, 13370, 13454, 19220, 23684, 26740, 26908, 29605, 33635, 38440, 41447, 47368, 53480, 53816, 59210, 67270, 82894, 118420, 134540, 165788, 183551, 207235, 236840, 269080, 331576, 367102, 414470, 734204, 828940, 917755, 1284857, 1468408, 1657880, 1835510, 2569714, 3671020, 5139428, 6424285, 7342040, 10278856, 12848570, 25697140, 51394280]

約数ペア:

[(1, 51394280), (2, 25697140), (4, 12848570), (5, 10278856), (7, 7342040), (8, 6424285), (10, 5139428), (14, 3671020), (20, 2569714), (28, 1835510), (31, 1657880), (35, 1468408), (40, 1284857), (56, 917755), (62, 828940), (70, 734204), (124, 414470), (140, 367102), (155, 331576), (191, 269080), (217, 236840), (248, 207235), (280, 183551), (310, 165788), (382, 134540), (434, 118420), (620, 82894), (764, 67270), (868, 59210), (955, 53816), (961, 53480), (1085, 47368), (1240, 41447), (1337, 38440), (1528, 33635), (1736, 29605), (1910, 26908), (1922, 26740), (2170, 23684), (2674, 19220), (3820, 13454), (3844, 13370), (4340, 11842), (4805, 10696), (5348, 9610), (5921, 8680), (6685, 7688), (6727, 7640)]