550214820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{21991}}^1$

素因数の和:22145

約数の個数: 72

約数和(自身を含む): 1681068480

約数和(自身を除く): 1130853660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 4170, 5004, 6255, 8340, 12510, 21991, 25020, 43982, 65973, 87964, 109955, 131946, 197919, 219910, 263892, 329865, 395838, 439820, 659730, 791676, 989595, 1319460, 1979190, 3056749, 3958380, 6113498, 9170247, 12226996, 15283745, 18340494, 27510741, 30567490, 36680988, 45851235, 55021482, 61134980, 91702470, 110042964, 137553705, 183404940, 275107410, 550214820]

約数ペア:

[(1, 550214820), (2, 275107410), (3, 183404940), (4, 137553705), (5, 110042964), (6, 91702470), (9, 61134980), (10, 55021482), (12, 45851235), (15, 36680988), (18, 30567490), (20, 27510741), (30, 18340494), (36, 15283745), (45, 12226996), (60, 9170247), (90, 6113498), (139, 3958380), (180, 3056749), (278, 1979190), (417, 1319460), (556, 989595), (695, 791676), (834, 659730), (1251, 439820), (1390, 395838), (1668, 329865), (2085, 263892), (2502, 219910), (2780, 197919), (4170, 131946), (5004, 109955), (6255, 87964), (8340, 65973), (12510, 43982), (21991, 25020)]