389651220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{18191}}^1$

素因数の和:18230

約数の個数: 144

約数和(自身を含む): 1430327808

約数和(自身を除く): 1040676588

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2142, 2380, 3060, 3570, 4284, 5355, 7140, 10710, 18191, 21420, 36382, 54573, 72764, 90955, 109146, 127337, 163719, 181910, 218292, 254674, 272865, 309247, 327438, 363820, 382011, 509348, 545730, 618494, 636685, 654876, 764022, 818595, 927741, 1091460, 1146033, 1236988, 1273370, 1528044, 1546235, 1637190, 1855482, 1910055, 2164729, 2292066, 2546740, 2783223, 3092470, 3274380, 3710964, 3820110, 4329458, 4584132, 4638705, 5566446, 5730165, 6184940, 6494187, 7640220, 8658916, 9277410, 10823645, 11132892, 11460330, 12988374, 13916115, 18554820, 19482561, 21647290, 22920660, 25976748, 27832230, 32470935, 38965122, 43294580, 55664460, 64941870, 77930244, 97412805, 129883740, 194825610, 389651220]

約数ペア:

[(1, 389651220), (2, 194825610), (3, 129883740), (4, 97412805), (5, 77930244), (6, 64941870), (7, 55664460), (9, 43294580), (10, 38965122), (12, 32470935), (14, 27832230), (15, 25976748), (17, 22920660), (18, 21647290), (20, 19482561), (21, 18554820), (28, 13916115), (30, 12988374), (34, 11460330), (35, 11132892), (36, 10823645), (42, 9277410), (45, 8658916), (51, 7640220), (60, 6494187), (63, 6184940), (68, 5730165), (70, 5566446), (84, 4638705), (85, 4584132), (90, 4329458), (102, 3820110), (105, 3710964), (119, 3274380), (126, 3092470), (140, 2783223), (153, 2546740), (170, 2292066), (180, 2164729), (204, 1910055), (210, 1855482), (238, 1637190), (252, 1546235), (255, 1528044), (306, 1273370), (315, 1236988), (340, 1146033), (357, 1091460), (420, 927741), (476, 818595), (510, 764022), (595, 654876), (612, 636685), (630, 618494), (714, 545730), (765, 509348), (1020, 382011), (1071, 363820), (1190, 327438), (1260, 309247), (1428, 272865), (1530, 254674), (1785, 218292), (2142, 181910), (2380, 163719), (3060, 127337), (3570, 109146), (4284, 90955), (5355, 72764), (7140, 54573), (10710, 36382), (18191, 21420)]