168971990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1$

素因数の和:413

約数の個数: 64

約数和(自身を含む): 341584128

約数和(自身を除く): 172612138

約数列:

[1, 2, 5, 10, 11, 22, 55, 67, 101, 110, 134, 202, 227, 335, 454, 505, 670, 737, 1010, 1111, 1135, 1474, 2222, 2270, 2497, 3685, 4994, 5555, 6767, 7370, 11110, 12485, 13534, 15209, 22927, 24970, 30418, 33835, 45854, 67670, 74437, 76045, 114635, 148874, 152090, 167299, 229270, 252197, 334598, 372185, 504394, 744370, 836495, 1260985, 1536109, 1672990, 2521970, 3072218, 7680545, 15361090, 16897199, 33794398, 84485995, 168971990]

約数ペア:

[(1, 168971990), (2, 84485995), (5, 33794398), (10, 16897199), (11, 15361090), (22, 7680545), (55, 3072218), (67, 2521970), (101, 1672990), (110, 1536109), (134, 1260985), (202, 836495), (227, 744370), (335, 504394), (454, 372185), (505, 334598), (670, 252197), (737, 229270), (1010, 167299), (1111, 152090), (1135, 148874), (1474, 114635), (2222, 76045), (2270, 74437), (2497, 67670), (3685, 45854), (4994, 33835), (5555, 30418), (6767, 24970), (7370, 22927), (11110, 15209), (12485, 13534)]