127517740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47939}}^1$

素因数の和:47974

約数の個数: 48

約数和(自身を含む): 322156800

約数和(自身を除く): 194639060

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 47939, 95878, 191756, 239695, 335573, 479390, 671146, 910841, 958780, 1342292, 1677865, 1821682, 3355730, 3643364, 4554205, 6375887, 6711460, 9108410, 12751774, 18216820, 25503548, 31879435, 63758870, 127517740]

約数ペア:

[(1, 127517740), (2, 63758870), (4, 31879435), (5, 25503548), (7, 18216820), (10, 12751774), (14, 9108410), (19, 6711460), (20, 6375887), (28, 4554205), (35, 3643364), (38, 3355730), (70, 1821682), (76, 1677865), (95, 1342292), (133, 958780), (140, 910841), (190, 671146), (266, 479390), (380, 335573), (532, 239695), (665, 191756), (1330, 95878), (2660, 47939)]