4037390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{421}}^1$

素因数の和:572

約数の個数: 32

約数和(自身を含む): 8385984

約数和(自身を除く): 4348594

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 274, 421, 685, 842, 959, 1370, 1918, 2105, 2947, 4210, 4795, 5894, 9590, 14735, 29470, 57677, 115354, 288385, 403739, 576770, 807478, 2018695, 4037390]

約数ペア:

[(1, 4037390), (2, 2018695), (5, 807478), (7, 576770), (10, 403739), (14, 288385), (35, 115354), (70, 57677), (137, 29470), (274, 14735), (421, 9590), (685, 5894), (842, 4795), (959, 4210), (1370, 2947), (1918, 2105)]