16881550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{347}}^1$

素因数の和:505

約数の個数: 48

約数和(自身を含む): 36247680

約数和(自身を除く): 19366130

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 139, 175, 278, 347, 350, 694, 695, 973, 1390, 1735, 1946, 2429, 3470, 3475, 4858, 4865, 6950, 8675, 9730, 12145, 17350, 24290, 24325, 48233, 48650, 60725, 96466, 121450, 241165, 337631, 482330, 675262, 1205825, 1688155, 2411650, 3376310, 8440775, 16881550]

約数ペア:

[(1, 16881550), (2, 8440775), (5, 3376310), (7, 2411650), (10, 1688155), (14, 1205825), (25, 675262), (35, 482330), (50, 337631), (70, 241165), (139, 121450), (175, 96466), (278, 60725), (347, 48650), (350, 48233), (694, 24325), (695, 24290), (973, 17350), (1390, 12145), (1735, 9730), (1946, 8675), (2429, 6950), (3470, 4865), (3475, 4858)]