11900420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{509}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 28788480

約数和(自身を除く): 16888060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 167, 334, 509, 668, 835, 1018, 1169, 1670, 2036, 2338, 2545, 3340, 3563, 4676, 5090, 5845, 7126, 10180, 11690, 14252, 17815, 23380, 35630, 71260, 85003, 170006, 340012, 425015, 595021, 850030, 1190042, 1700060, 2380084, 2975105, 5950210, 11900420]

約数ペア:

[(1, 11900420), (2, 5950210), (4, 2975105), (5, 2380084), (7, 1700060), (10, 1190042), (14, 850030), (20, 595021), (28, 425015), (35, 340012), (70, 170006), (140, 85003), (167, 71260), (334, 35630), (509, 23380), (668, 17815), (835, 14252), (1018, 11690), (1169, 10180), (1670, 7126), (2036, 5845), (2338, 5090), (2545, 4676), (3340, 3563)]