27434540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1543}}^1$

素因数の和:1686

約数の個数: 48

約数和(自身を含む): 66404352

約数和(自身を除く): 38969812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1543, 1778, 2540, 3086, 3556, 4445, 6172, 7715, 8890, 10801, 15430, 17780, 21602, 30860, 43204, 54005, 108010, 195961, 216020, 391922, 783844, 979805, 1371727, 1959610, 2743454, 3919220, 5486908, 6858635, 13717270, 27434540]

約数ペア:

[(1, 27434540), (2, 13717270), (4, 6858635), (5, 5486908), (7, 3919220), (10, 2743454), (14, 1959610), (20, 1371727), (28, 979805), (35, 783844), (70, 391922), (127, 216020), (140, 195961), (254, 108010), (508, 54005), (635, 43204), (889, 30860), (1270, 21602), (1543, 17780), (1778, 15430), (2540, 10801), (3086, 8890), (3556, 7715), (4445, 6172)]