202123180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{3259}}^1$

素因数の和:3718

約数の個数: 48

約数和(自身を含む): 486339840

約数和(自身を除く): 284216660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 443, 886, 1772, 2215, 3101, 3259, 4430, 6202, 6518, 8860, 12404, 13036, 15505, 16295, 22813, 31010, 32590, 45626, 62020, 65180, 91252, 114065, 228130, 456260, 1443737, 2887474, 5774948, 7218685, 10106159, 14437370, 20212318, 28874740, 40424636, 50530795, 101061590, 202123180]

約数ペア:

[(1, 202123180), (2, 101061590), (4, 50530795), (5, 40424636), (7, 28874740), (10, 20212318), (14, 14437370), (20, 10106159), (28, 7218685), (35, 5774948), (70, 2887474), (140, 1443737), (443, 456260), (886, 228130), (1772, 114065), (2215, 91252), (3101, 65180), (3259, 62020), (4430, 45626), (6202, 32590), (6518, 31010), (8860, 22813), (12404, 16295), (13036, 15505)]