28369040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{7237}}^1$

素因数の和:7264

約数の個数: 60

約数和(自身を含む): 76737276

約数和(自身を除く): 48368236

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 7237, 14474, 28948, 36185, 50659, 57896, 72370, 101318, 115792, 144740, 202636, 253295, 289480, 354613, 405272, 506590, 578960, 709226, 810544, 1013180, 1418452, 1773065, 2026360, 2836904, 3546130, 4052720, 5673808, 7092260, 14184520, 28369040]

約数ペア:

[(1, 28369040), (2, 14184520), (4, 7092260), (5, 5673808), (7, 4052720), (8, 3546130), (10, 2836904), (14, 2026360), (16, 1773065), (20, 1418452), (28, 1013180), (35, 810544), (40, 709226), (49, 578960), (56, 506590), (70, 405272), (80, 354613), (98, 289480), (112, 253295), (140, 202636), (196, 144740), (245, 115792), (280, 101318), (392, 72370), (490, 57896), (560, 50659), (784, 36185), (980, 28948), (1960, 14474), (3920, 7237)]