7461020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{389}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 18083520

約数和(自身を除く): 10622500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 389, 548, 685, 778, 959, 1370, 1556, 1918, 1945, 2723, 2740, 3836, 3890, 4795, 5446, 7780, 9590, 10892, 13615, 19180, 27230, 53293, 54460, 106586, 213172, 266465, 373051, 532930, 746102, 1065860, 1492204, 1865255, 3730510, 7461020]

約数ペア:

[(1, 7461020), (2, 3730510), (4, 1865255), (5, 1492204), (7, 1065860), (10, 746102), (14, 532930), (20, 373051), (28, 266465), (35, 213172), (70, 106586), (137, 54460), (140, 53293), (274, 27230), (389, 19180), (548, 13615), (685, 10892), (778, 9590), (959, 7780), (1370, 5446), (1556, 4795), (1918, 3890), (1945, 3836), (2723, 2740)]