2149486640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{7541}}^1$

素因数の和:8070

約数の個数: 80

約数和(自身を含む): 5723472960

約数和(自身を除く): 3573986320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 509, 560, 1018, 2036, 2545, 3563, 4072, 5090, 7126, 7541, 8144, 10180, 14252, 15082, 17815, 20360, 28504, 30164, 35630, 37705, 40720, 52787, 57008, 60328, 71260, 75410, 105574, 120656, 142520, 150820, 211148, 263935, 285040, 301640, 422296, 527870, 603280, 844592, 1055740, 2111480, 3838369, 4222960, 7676738, 15353476, 19191845, 26868583, 30706952, 38383690, 53737166, 61413904, 76767380, 107474332, 134342915, 153534760, 214948664, 268685830, 307069520, 429897328, 537371660, 1074743320, 2149486640]

約数ペア:

[(1, 2149486640), (2, 1074743320), (4, 537371660), (5, 429897328), (7, 307069520), (8, 268685830), (10, 214948664), (14, 153534760), (16, 134342915), (20, 107474332), (28, 76767380), (35, 61413904), (40, 53737166), (56, 38383690), (70, 30706952), (80, 26868583), (112, 19191845), (140, 15353476), (280, 7676738), (509, 4222960), (560, 3838369), (1018, 2111480), (2036, 1055740), (2545, 844592), (3563, 603280), (4072, 527870), (5090, 422296), (7126, 301640), (7541, 285040), (8144, 263935), (10180, 211148), (14252, 150820), (15082, 142520), (17815, 120656), (20360, 105574), (28504, 75410), (30164, 71260), (35630, 60328), (37705, 57008), (40720, 52787)]