210280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{751}}^1$

素因数の和:769

約数の個数: 32

約数和(自身を含む): 541440

約数和(自身を除く): 331160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 751, 1502, 3004, 3755, 5257, 6008, 7510, 10514, 15020, 21028, 26285, 30040, 42056, 52570, 105140, 210280]

約数ペア:

[(1, 210280), (2, 105140), (4, 52570), (5, 42056), (7, 30040), (8, 26285), (10, 21028), (14, 15020), (20, 10514), (28, 7510), (35, 6008), (40, 5257), (56, 3755), (70, 3004), (140, 1502), (280, 751)]