420502138

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{4289}}^1$

素因数の和:4494

約数の個数: 32

約数和(自身を含む): 741312000

約数和(自身を除く): 320809862

約数列:

[1, 2, 7, 14, 47, 94, 149, 298, 329, 658, 1043, 2086, 4289, 7003, 8578, 14006, 30023, 49021, 60046, 98042, 201583, 403166, 639061, 1278122, 1411081, 2822162, 4473427, 8946854, 30035867, 60071734, 210251069, 420502138]

約数ペア:

[(1, 420502138), (2, 210251069), (7, 60071734), (14, 30035867), (47, 8946854), (94, 4473427), (149, 2822162), (298, 1411081), (329, 1278122), (658, 639061), (1043, 403166), (2086, 201583), (4289, 98042), (7003, 60046), (8578, 49021), (14006, 30023)]