12005420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2957}}^1$

素因数の和:3002

約数の個数: 48

約数和(自身を含む): 29816640

約数和(自身を除く): 17811220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 2957, 4060, 5914, 11828, 14785, 20699, 29570, 41398, 59140, 82796, 85753, 103495, 171506, 206990, 343012, 413980, 428765, 600271, 857530, 1200542, 1715060, 2401084, 3001355, 6002710, 12005420]

約数ペア:

[(1, 12005420), (2, 6002710), (4, 3001355), (5, 2401084), (7, 1715060), (10, 1200542), (14, 857530), (20, 600271), (28, 428765), (29, 413980), (35, 343012), (58, 206990), (70, 171506), (116, 103495), (140, 85753), (145, 82796), (203, 59140), (290, 41398), (406, 29570), (580, 20699), (812, 14785), (1015, 11828), (2030, 5914), (2957, 4060)]