211473640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{1093}}^1$

素因数の和:1802

約数の個数: 64

約数和(自身を含む): 545074560

約数和(自身を除く): 333600920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 691, 1093, 1382, 2186, 2764, 3455, 4372, 4837, 5465, 5528, 6910, 7651, 8744, 9674, 10930, 13820, 15302, 19348, 21860, 24185, 27640, 30604, 38255, 38696, 43720, 48370, 61208, 76510, 96740, 153020, 193480, 306040, 755263, 1510526, 3021052, 3776315, 5286841, 6042104, 7552630, 10573682, 15105260, 21147364, 26434205, 30210520, 42294728, 52868410, 105736820, 211473640]

約数ペア:

[(1, 211473640), (2, 105736820), (4, 52868410), (5, 42294728), (7, 30210520), (8, 26434205), (10, 21147364), (14, 15105260), (20, 10573682), (28, 7552630), (35, 6042104), (40, 5286841), (56, 3776315), (70, 3021052), (140, 1510526), (280, 755263), (691, 306040), (1093, 193480), (1382, 153020), (2186, 96740), (2764, 76510), (3455, 61208), (4372, 48370), (4837, 43720), (5465, 38696), (5528, 38255), (6910, 30604), (7651, 27640), (8744, 24185), (9674, 21860), (10930, 19348), (13820, 15302)]