210911890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{42437}}^1$

素因数の和:42522

約数の個数: 32

約数和(自身を含む): 439997184

約数和(自身を除く): 229085294

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 42437, 84874, 212185, 297059, 424370, 594118, 1485295, 2970590, 3013027, 6026054, 15065135, 21091189, 30130270, 42182378, 105455945, 210911890]

約数ペア:

[(1, 210911890), (2, 105455945), (5, 42182378), (7, 30130270), (10, 21091189), (14, 15065135), (35, 6026054), (70, 3013027), (71, 2970590), (142, 1485295), (355, 594118), (497, 424370), (710, 297059), (994, 212185), (2485, 84874), (4970, 42437)]