319928240

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{31489}}^1$

素因数の和:31629

約数の個数: 40

約数和(自身を含む): 749713920

約数和(自身を除く): 429785680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 31489, 62978, 125956, 157445, 251912, 314890, 503824, 629780, 1259560, 2519120, 3999103, 7998206, 15996412, 19995515, 31992824, 39991030, 63985648, 79982060, 159964120, 319928240]

約数ペア:

[(1, 319928240), (2, 159964120), (4, 79982060), (5, 63985648), (8, 39991030), (10, 31992824), (16, 19995515), (20, 15996412), (40, 7998206), (80, 3999103), (127, 2519120), (254, 1259560), (508, 629780), (635, 503824), (1016, 314890), (1270, 251912), (2032, 157445), (2540, 125956), (5080, 62978), (10160, 31489)]