197721900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{12923}}^1$

素因数の和:12960

約数の個数: 108

約数和(自身を含む): 656254872

約数和(自身を除く): 458532972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 25, 30, 34, 36, 45, 50, 51, 60, 68, 75, 85, 90, 100, 102, 150, 153, 170, 180, 204, 225, 255, 300, 306, 340, 425, 450, 510, 612, 765, 850, 900, 1020, 1275, 1530, 1700, 2550, 3060, 3825, 5100, 7650, 12923, 15300, 25846, 38769, 51692, 64615, 77538, 116307, 129230, 155076, 193845, 219691, 232614, 258460, 323075, 387690, 439382, 465228, 581535, 646150, 659073, 775380, 878764, 969225, 1098455, 1163070, 1292300, 1318146, 1938450, 1977219, 2196910, 2326140, 2636292, 2907675, 3295365, 3876900, 3954438, 4393820, 5492275, 5815350, 6590730, 7908876, 9886095, 10984550, 11630700, 13181460, 16476825, 19772190, 21969100, 32953650, 39544380, 49430475, 65907300, 98860950, 197721900]

約数ペア:

[(1, 197721900), (2, 98860950), (3, 65907300), (4, 49430475), (5, 39544380), (6, 32953650), (9, 21969100), (10, 19772190), (12, 16476825), (15, 13181460), (17, 11630700), (18, 10984550), (20, 9886095), (25, 7908876), (30, 6590730), (34, 5815350), (36, 5492275), (45, 4393820), (50, 3954438), (51, 3876900), (60, 3295365), (68, 2907675), (75, 2636292), (85, 2326140), (90, 2196910), (100, 1977219), (102, 1938450), (150, 1318146), (153, 1292300), (170, 1163070), (180, 1098455), (204, 969225), (225, 878764), (255, 775380), (300, 659073), (306, 646150), (340, 581535), (425, 465228), (450, 439382), (510, 387690), (612, 323075), (765, 258460), (850, 232614), (900, 219691), (1020, 193845), (1275, 155076), (1530, 129230), (1700, 116307), (2550, 77538), (3060, 64615), (3825, 51692), (5100, 38769), (7650, 25846), (12923, 15300)]