485726780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{315407}}^1$

素因数の和:315434

約数の個数: 48

約数和(自身を含む): 1271725056

約数和(自身を除く): 785998276

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 315407, 630814, 1261628, 1577035, 2207849, 3154070, 3469477, 4415698, 6308140, 6938954, 8831396, 11039245, 13877908, 17347385, 22078490, 24286339, 34694770, 44156980, 48572678, 69389540, 97145356, 121431695, 242863390, 485726780]

約数ペア:

[(1, 485726780), (2, 242863390), (4, 121431695), (5, 97145356), (7, 69389540), (10, 48572678), (11, 44156980), (14, 34694770), (20, 24286339), (22, 22078490), (28, 17347385), (35, 13877908), (44, 11039245), (55, 8831396), (70, 6938954), (77, 6308140), (110, 4415698), (140, 3469477), (154, 3154070), (220, 2207849), (308, 1577035), (385, 1261628), (770, 630814), (1540, 315407)]