515680

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1$

素因数の和:319

約数の個数: 48

約数和(自身を含む): 1333584

約数和(自身を除く): 817904

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 293, 352, 440, 586, 880, 1172, 1465, 1760, 2344, 2930, 3223, 4688, 5860, 6446, 9376, 11720, 12892, 16115, 23440, 25784, 32230, 46880, 51568, 64460, 103136, 128920, 257840, 515680]

約数ペア:

[(1, 515680), (2, 257840), (4, 128920), (5, 103136), (8, 64460), (10, 51568), (11, 46880), (16, 32230), (20, 25784), (22, 23440), (32, 16115), (40, 12892), (44, 11720), (55, 9376), (80, 6446), (88, 5860), (110, 4688), (160, 3223), (176, 2930), (220, 2344), (293, 1760), (352, 1465), (440, 1172), (586, 880)]