200747020

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1\times {\mathrm{397}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 428063328

約数和(自身を除く): 227316308

約数列:

[1, 2, 4, 5, 10, 20, 131, 193, 262, 386, 397, 524, 655, 772, 794, 965, 1310, 1588, 1930, 1985, 2620, 3860, 3970, 7940, 25283, 50566, 52007, 76621, 101132, 104014, 126415, 153242, 208028, 252830, 260035, 306484, 383105, 505660, 520070, 766210, 1040140, 1532420, 10037351, 20074702, 40149404, 50186755, 100373510, 200747020]

約数ペア:

[(1, 200747020), (2, 100373510), (4, 50186755), (5, 40149404), (10, 20074702), (20, 10037351), (131, 1532420), (193, 1040140), (262, 766210), (386, 520070), (397, 505660), (524, 383105), (655, 306484), (772, 260035), (794, 252830), (965, 208028), (1310, 153242), (1588, 126415), (1930, 104014), (1985, 101132), (2620, 76621), (3860, 52007), (3970, 50566), (7940, 25283)]