256372270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{332951}}^1$

素因数の和:332976

約数の個数: 32

約数和(自身を含む): 575341056

約数和(自身を除く): 318968786

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 332951, 665902, 1664755, 2330657, 3329510, 3662461, 4661314, 7324922, 11653285, 18312305, 23306570, 25637227, 36624610, 51274454, 128186135, 256372270]

約数ペア:

[(1, 256372270), (2, 128186135), (5, 51274454), (7, 36624610), (10, 25637227), (11, 23306570), (14, 18312305), (22, 11653285), (35, 7324922), (55, 4661314), (70, 3662461), (77, 3329510), (110, 2330657), (154, 1664755), (385, 665902), (770, 332951)]