5197780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 12612096

約数和(自身を除く): 7414316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 271, 274, 542, 548, 685, 959, 1084, 1355, 1370, 1897, 1918, 2710, 2740, 3794, 3836, 4795, 5420, 7588, 9485, 9590, 18970, 19180, 37127, 37940, 74254, 148508, 185635, 259889, 371270, 519778, 742540, 1039556, 1299445, 2598890, 5197780]

約数ペア:

[(1, 5197780), (2, 2598890), (4, 1299445), (5, 1039556), (7, 742540), (10, 519778), (14, 371270), (20, 259889), (28, 185635), (35, 148508), (70, 74254), (137, 37940), (140, 37127), (271, 19180), (274, 18970), (542, 9590), (548, 9485), (685, 7588), (959, 5420), (1084, 4795), (1355, 3836), (1370, 3794), (1897, 2740), (1918, 2710)]