18649400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1$

素因数の和:214

約数の個数: 144

約数和(自身を含む): 55342440

約数和(自身を除く): 36693040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 25, 28, 35, 40, 44, 49, 50, 55, 56, 70, 77, 88, 98, 100, 110, 140, 154, 173, 175, 196, 200, 220, 245, 275, 280, 308, 346, 350, 385, 392, 440, 490, 539, 550, 616, 692, 700, 770, 865, 980, 1078, 1100, 1211, 1225, 1384, 1400, 1540, 1730, 1903, 1925, 1960, 2156, 2200, 2422, 2450, 2695, 3080, 3460, 3806, 3850, 4312, 4325, 4844, 4900, 5390, 6055, 6920, 7612, 7700, 8477, 8650, 9515, 9688, 9800, 10780, 12110, 13321, 13475, 15224, 15400, 16954, 17300, 19030, 21560, 24220, 26642, 26950, 30275, 33908, 34600, 38060, 42385, 47575, 48440, 53284, 53900, 60550, 66605, 67816, 76120, 84770, 93247, 95150, 106568, 107800, 121100, 133210, 169540, 186494, 190300, 211925, 242200, 266420, 333025, 339080, 372988, 380600, 423850, 466235, 532840, 666050, 745976, 847700, 932470, 1332100, 1695400, 1864940, 2331175, 2664200, 3729880, 4662350, 9324700, 18649400]

約数ペア:

[(1, 18649400), (2, 9324700), (4, 4662350), (5, 3729880), (7, 2664200), (8, 2331175), (10, 1864940), (11, 1695400), (14, 1332100), (20, 932470), (22, 847700), (25, 745976), (28, 666050), (35, 532840), (40, 466235), (44, 423850), (49, 380600), (50, 372988), (55, 339080), (56, 333025), (70, 266420), (77, 242200), (88, 211925), (98, 190300), (100, 186494), (110, 169540), (140, 133210), (154, 121100), (173, 107800), (175, 106568), (196, 95150), (200, 93247), (220, 84770), (245, 76120), (275, 67816), (280, 66605), (308, 60550), (346, 53900), (350, 53284), (385, 48440), (392, 47575), (440, 42385), (490, 38060), (539, 34600), (550, 33908), (616, 30275), (692, 26950), (700, 26642), (770, 24220), (865, 21560), (980, 19030), (1078, 17300), (1100, 16954), (1211, 15400), (1225, 15224), (1384, 13475), (1400, 13321), (1540, 12110), (1730, 10780), (1903, 9800), (1925, 9688), (1960, 9515), (2156, 8650), (2200, 8477), (2422, 7700), (2450, 7612), (2695, 6920), (3080, 6055), (3460, 5390), (3806, 4900), (3850, 4844), (4312, 4325)]