138686380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{547}}^1\times {\mathrm{1811}}^1$

素因数の和:2374

約数の個数: 48

約数和(自身を含む): 333639936

約数和(自身を除く): 194953556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 547, 1094, 1811, 2188, 2735, 3622, 3829, 5470, 7244, 7658, 9055, 10940, 12677, 15316, 18110, 19145, 25354, 36220, 38290, 50708, 63385, 76580, 126770, 253540, 990617, 1981234, 3962468, 4953085, 6934319, 9906170, 13868638, 19812340, 27737276, 34671595, 69343190, 138686380]

約数ペア:

[(1, 138686380), (2, 69343190), (4, 34671595), (5, 27737276), (7, 19812340), (10, 13868638), (14, 9906170), (20, 6934319), (28, 4953085), (35, 3962468), (70, 1981234), (140, 990617), (547, 253540), (1094, 126770), (1811, 76580), (2188, 63385), (2735, 50708), (3622, 38290), (3829, 36220), (5470, 25354), (7244, 19145), (7658, 18110), (9055, 15316), (10940, 12677)]