138560920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{541}}^1$

素因数の和:908

約数の個数: 64

約数和(自身を含む): 329752800

約数和(自身を除く): 191191880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 337, 380, 541, 674, 760, 1082, 1348, 1685, 2164, 2696, 2705, 3370, 4328, 5410, 6403, 6740, 10279, 10820, 12806, 13480, 20558, 21640, 25612, 32015, 41116, 51224, 51395, 64030, 82232, 102790, 128060, 182317, 205580, 256120, 364634, 411160, 729268, 911585, 1458536, 1823170, 3464023, 3646340, 6928046, 7292680, 13856092, 17320115, 27712184, 34640230, 69280460, 138560920]

約数ペア:

[(1, 138560920), (2, 69280460), (4, 34640230), (5, 27712184), (8, 17320115), (10, 13856092), (19, 7292680), (20, 6928046), (38, 3646340), (40, 3464023), (76, 1823170), (95, 1458536), (152, 911585), (190, 729268), (337, 411160), (380, 364634), (541, 256120), (674, 205580), (760, 182317), (1082, 128060), (1348, 102790), (1685, 82232), (2164, 64030), (2696, 51395), (2705, 51224), (3370, 41116), (4328, 32015), (5410, 25612), (6403, 21640), (6740, 20558), (10279, 13480), (10820, 12806)]