180854980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{3607}}^1$

素因数の和:3748

約数の個数: 48

約数和(自身を含む): 400055040

約数和(自身を除く): 219200060

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 109, 115, 218, 230, 436, 460, 545, 1090, 2180, 2507, 3607, 5014, 7214, 10028, 12535, 14428, 18035, 25070, 36070, 50140, 72140, 82961, 165922, 331844, 393163, 414805, 786326, 829610, 1572652, 1659220, 1965815, 3931630, 7863260, 9042749, 18085498, 36170996, 45213745, 90427490, 180854980]

約数ペア:

[(1, 180854980), (2, 90427490), (4, 45213745), (5, 36170996), (10, 18085498), (20, 9042749), (23, 7863260), (46, 3931630), (92, 1965815), (109, 1659220), (115, 1572652), (218, 829610), (230, 786326), (436, 414805), (460, 393163), (545, 331844), (1090, 165922), (2180, 82961), (2507, 72140), (3607, 50140), (5014, 36070), (7214, 25070), (10028, 18035), (12535, 14428)]