211510040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{755393}}^1$

素因数の和:755411

約数の個数: 32

約数和(自身を含む): 543883680

約数和(自身を除く): 332373640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 755393, 1510786, 3021572, 3776965, 5287751, 6043144, 7553930, 10575502, 15107860, 21151004, 26438755, 30215720, 42302008, 52877510, 105755020, 211510040]

約数ペア:

[(1, 211510040), (2, 105755020), (4, 52877510), (5, 42302008), (7, 30215720), (8, 26438755), (10, 21151004), (14, 15107860), (20, 10575502), (28, 7553930), (35, 6043144), (40, 5287751), (56, 3776965), (70, 3021572), (140, 1510786), (280, 755393)]