2761900

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:474

約数の個数: 36

約数和(自身を含む): 6093360

約数和(自身を除く): 3331460

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 389, 710, 778, 1420, 1556, 1775, 1945, 3550, 3890, 7100, 7780, 9725, 19450, 27619, 38900, 55238, 110476, 138095, 276190, 552380, 690475, 1380950, 2761900]

約数ペア:

[(1, 2761900), (2, 1380950), (4, 690475), (5, 552380), (10, 276190), (20, 138095), (25, 110476), (50, 55238), (71, 38900), (100, 27619), (142, 19450), (284, 9725), (355, 7780), (389, 7100), (710, 3890), (778, 3550), (1420, 1945), (1556, 1775)]