4420990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{461}}^1$

素因数の和:612

約数の個数: 32

約数和(自身を含む): 9180864

約数和(自身を除く): 4759874

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 274, 461, 685, 922, 959, 1370, 1918, 2305, 3227, 4610, 4795, 6454, 9590, 16135, 32270, 63157, 126314, 315785, 442099, 631570, 884198, 2210495, 4420990]

約数ペア:

[(1, 4420990), (2, 2210495), (5, 884198), (7, 631570), (10, 442099), (14, 315785), (35, 126314), (70, 63157), (137, 32270), (274, 16135), (461, 9590), (685, 6454), (922, 4795), (959, 4610), (1370, 3227), (1918, 2305)]