139982360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16127}}^1$

素因数の和:16176

約数の個数: 64

約数和(自身を含む): 371589120

約数和(自身を除く): 231606760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 16127, 32254, 64508, 80635, 112889, 129016, 161270, 225778, 322540, 451556, 499937, 564445, 645080, 903112, 999874, 1128890, 1999748, 2257780, 2499685, 3499559, 3999496, 4515560, 4999370, 6999118, 9998740, 13998236, 17497795, 19997480, 27996472, 34995590, 69991180, 139982360]

約数ペア:

[(1, 139982360), (2, 69991180), (4, 34995590), (5, 27996472), (7, 19997480), (8, 17497795), (10, 13998236), (14, 9998740), (20, 6999118), (28, 4999370), (31, 4515560), (35, 3999496), (40, 3499559), (56, 2499685), (62, 2257780), (70, 1999748), (124, 1128890), (140, 999874), (155, 903112), (217, 645080), (248, 564445), (280, 499937), (310, 451556), (434, 322540), (620, 225778), (868, 161270), (1085, 129016), (1240, 112889), (1736, 80635), (2170, 64508), (4340, 32254), (8680, 16127)]