1384458440

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{567401}}^1$

素因数の和:567473

約数の個数: 32

約数和(自身を含む): 3166103160

約数和(自身を除く): 1781644720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 567401, 1134802, 2269604, 2837005, 4539208, 5674010, 11348020, 22696040, 34611461, 69222922, 138445844, 173057305, 276891688, 346114610, 692229220, 1384458440]

約数ペア:

[(1, 1384458440), (2, 692229220), (4, 346114610), (5, 276891688), (8, 173057305), (10, 138445844), (20, 69222922), (40, 34611461), (61, 22696040), (122, 11348020), (244, 5674010), (305, 4539208), (488, 2837005), (610, 2269604), (1220, 1134802), (2440, 567401)]