274272920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{881}}^1$

素因数の和:1116

約数の個数: 64

約数和(自身を含む): 635675040

約数和(自身を除く): 361402120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 181, 215, 344, 362, 430, 724, 860, 881, 905, 1448, 1720, 1762, 1810, 3524, 3620, 4405, 7048, 7240, 7783, 8810, 15566, 17620, 31132, 35240, 37883, 38915, 62264, 75766, 77830, 151532, 155660, 159461, 189415, 303064, 311320, 318922, 378830, 637844, 757660, 797305, 1275688, 1515320, 1594610, 3189220, 6378440, 6856823, 13713646, 27427292, 34284115, 54854584, 68568230, 137136460, 274272920]

約数ペア:

[(1, 274272920), (2, 137136460), (4, 68568230), (5, 54854584), (8, 34284115), (10, 27427292), (20, 13713646), (40, 6856823), (43, 6378440), (86, 3189220), (172, 1594610), (181, 1515320), (215, 1275688), (344, 797305), (362, 757660), (430, 637844), (724, 378830), (860, 318922), (881, 311320), (905, 303064), (1448, 189415), (1720, 159461), (1762, 155660), (1810, 151532), (3524, 77830), (3620, 75766), (4405, 62264), (7048, 38915), (7240, 37883), (7783, 35240), (8810, 31132), (15566, 17620)]