986900

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:224

約数の個数: 36

約数和(自身を含む): 2187360

約数和(自身を除く): 1200460

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 139, 142, 278, 284, 355, 556, 695, 710, 1390, 1420, 1775, 2780, 3475, 3550, 6950, 7100, 9869, 13900, 19738, 39476, 49345, 98690, 197380, 246725, 493450, 986900]

約数ペア:

[(1, 986900), (2, 493450), (4, 246725), (5, 197380), (10, 98690), (20, 49345), (25, 39476), (50, 19738), (71, 13900), (100, 9869), (139, 7100), (142, 6950), (278, 3550), (284, 3475), (355, 2780), (556, 1775), (695, 1420), (710, 1390)]