164507420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{106823}}^1$

素因数の和:106850

約数の個数: 48

約数和(自身を含む): 430714368

約数和(自身を除く): 266206948

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 106823, 213646, 427292, 534115, 747761, 1068230, 1175053, 1495522, 2136460, 2350106, 2991044, 3738805, 4700212, 5875265, 7477610, 8225371, 11750530, 14955220, 16450742, 23501060, 32901484, 41126855, 82253710, 164507420]

約数ペア:

[(1, 164507420), (2, 82253710), (4, 41126855), (5, 32901484), (7, 23501060), (10, 16450742), (11, 14955220), (14, 11750530), (20, 8225371), (22, 7477610), (28, 5875265), (35, 4700212), (44, 3738805), (55, 2991044), (70, 2350106), (77, 2136460), (110, 1495522), (140, 1175053), (154, 1068230), (220, 747761), (308, 534115), (385, 427292), (770, 213646), (1540, 106823)]