764214680

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1\times {\mathrm{739}}^1$

素因数の和:1104

約数の個数: 64

約数和(自身を含む): 1745452800

約数和(自身を除く): 981238120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 251, 412, 502, 515, 739, 824, 1004, 1030, 1255, 1478, 2008, 2060, 2510, 2956, 3695, 4120, 5020, 5912, 7390, 10040, 14780, 25853, 29560, 51706, 76117, 103412, 129265, 152234, 185489, 206824, 258530, 304468, 370978, 380585, 517060, 608936, 741956, 761170, 927445, 1034120, 1483912, 1522340, 1854890, 3044680, 3709780, 7419560, 19105367, 38210734, 76421468, 95526835, 152842936, 191053670, 382107340, 764214680]

約数ペア:

[(1, 764214680), (2, 382107340), (4, 191053670), (5, 152842936), (8, 95526835), (10, 76421468), (20, 38210734), (40, 19105367), (103, 7419560), (206, 3709780), (251, 3044680), (412, 1854890), (502, 1522340), (515, 1483912), (739, 1034120), (824, 927445), (1004, 761170), (1030, 741956), (1255, 608936), (1478, 517060), (2008, 380585), (2060, 370978), (2510, 304468), (2956, 258530), (3695, 206824), (4120, 185489), (5020, 152234), (5912, 129265), (7390, 103412), (10040, 76117), (14780, 51706), (25853, 29560)]