278311390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{29021}}^1$

素因数の和:29172

約数の個数: 32

約数和(自身を含む): 576725184

約数和(自身を除く): 298413794

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 274, 685, 959, 1370, 1918, 4795, 9590, 29021, 58042, 145105, 203147, 290210, 406294, 1015735, 2031470, 3975877, 7951754, 19879385, 27831139, 39758770, 55662278, 139155695, 278311390]

約数ペア:

[(1, 278311390), (2, 139155695), (5, 55662278), (7, 39758770), (10, 27831139), (14, 19879385), (35, 7951754), (70, 3975877), (137, 2031470), (274, 1015735), (685, 406294), (959, 290210), (1370, 203147), (1918, 145105), (4795, 58042), (9590, 29021)]