1004720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1$

素因数の和:693

約数の個数: 40

約数和(自身を含む): 2462640

約数和(自身を除く): 1457920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 661, 760, 1322, 1520, 2644, 3305, 5288, 6610, 10576, 12559, 13220, 25118, 26440, 50236, 52880, 62795, 100472, 125590, 200944, 251180, 502360, 1004720]

約数ペア:

[(1, 1004720), (2, 502360), (4, 251180), (5, 200944), (8, 125590), (10, 100472), (16, 62795), (19, 52880), (20, 50236), (38, 26440), (40, 25118), (76, 13220), (80, 12559), (95, 10576), (152, 6610), (190, 5288), (304, 3305), (380, 2644), (661, 1520), (760, 1322)]