2730500

素因数分解:

$2^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:189

約数の個数: 48

約数和(自身を含む): 6150144

約数和(自身を除く): 3419644

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 125, 127, 172, 215, 250, 254, 430, 500, 508, 635, 860, 1075, 1270, 2150, 2540, 3175, 4300, 5375, 5461, 6350, 10750, 10922, 12700, 15875, 21500, 21844, 27305, 31750, 54610, 63500, 109220, 136525, 273050, 546100, 682625, 1365250, 2730500]

約数ペア:

[(1, 2730500), (2, 1365250), (4, 682625), (5, 546100), (10, 273050), (20, 136525), (25, 109220), (43, 63500), (50, 54610), (86, 31750), (100, 27305), (125, 21844), (127, 21500), (172, 15875), (215, 12700), (250, 10922), (254, 10750), (430, 6350), (500, 5461), (508, 5375), (635, 4300), (860, 3175), (1075, 2540), (1270, 2150)]