1289200

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{293}}^1$

素因数の和:322

約数の個数: 60

約数和(自身を含む): 3390408

約数和(自身を除く): 2101208

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 293, 400, 440, 550, 586, 880, 1100, 1172, 1465, 2200, 2344, 2930, 3223, 4400, 4688, 5860, 6446, 7325, 11720, 12892, 14650, 16115, 23440, 25784, 29300, 32230, 51568, 58600, 64460, 80575, 117200, 128920, 161150, 257840, 322300, 644600, 1289200]

約数ペア:

[(1, 1289200), (2, 644600), (4, 322300), (5, 257840), (8, 161150), (10, 128920), (11, 117200), (16, 80575), (20, 64460), (22, 58600), (25, 51568), (40, 32230), (44, 29300), (50, 25784), (55, 23440), (80, 16115), (88, 14650), (100, 12892), (110, 11720), (176, 7325), (200, 6446), (220, 5860), (275, 4688), (293, 4400), (400, 3223), (440, 2930), (550, 2344), (586, 2200), (880, 1465), (1100, 1172)]