834459890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1\times {\mathrm{487}}^1$

素因数の和:963

約数の個数: 64

約数和(自身を含む): 1690322688

約数和(自身を除く): 855862798

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 421, 487, 814, 842, 974, 2035, 2105, 2435, 4070, 4210, 4631, 4870, 5357, 9262, 10714, 15577, 18019, 23155, 26785, 31154, 36038, 46310, 53570, 77885, 90095, 155770, 171347, 180190, 198209, 205027, 342694, 396418, 410054, 856735, 991045, 1025135, 1713470, 1982090, 2050270, 2255297, 4510594, 7585999, 11276485, 15171998, 22552970, 37929995, 75859990, 83445989, 166891978, 417229945, 834459890]

約数ペア:

[(1, 834459890), (2, 417229945), (5, 166891978), (10, 83445989), (11, 75859990), (22, 37929995), (37, 22552970), (55, 15171998), (74, 11276485), (110, 7585999), (185, 4510594), (370, 2255297), (407, 2050270), (421, 1982090), (487, 1713470), (814, 1025135), (842, 991045), (974, 856735), (2035, 410054), (2105, 396418), (2435, 342694), (4070, 205027), (4210, 198209), (4631, 180190), (4870, 171347), (5357, 155770), (9262, 90095), (10714, 77885), (15577, 53570), (18019, 46310), (23155, 36038), (26785, 31154)]