13809500

素因数分解:

$2^2\times 5^3\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:479

約数の個数: 48

約数和(自身を含む): 30663360

約数和(自身を除く): 16853860

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 125, 142, 250, 284, 355, 389, 500, 710, 778, 1420, 1556, 1775, 1945, 3550, 3890, 7100, 7780, 8875, 9725, 17750, 19450, 27619, 35500, 38900, 48625, 55238, 97250, 110476, 138095, 194500, 276190, 552380, 690475, 1380950, 2761900, 3452375, 6904750, 13809500]

約数ペア:

[(1, 13809500), (2, 6904750), (4, 3452375), (5, 2761900), (10, 1380950), (20, 690475), (25, 552380), (50, 276190), (71, 194500), (100, 138095), (125, 110476), (142, 97250), (250, 55238), (284, 48625), (355, 38900), (389, 35500), (500, 27619), (710, 19450), (778, 17750), (1420, 9725), (1556, 8875), (1775, 7780), (1945, 7100), (3550, 3890)]