17952350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:485

約数の個数: 48

約数和(自身を含む): 36560160

約数和(自身を除く): 18607810

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 71, 130, 142, 325, 355, 389, 650, 710, 778, 923, 1775, 1846, 1945, 3550, 3890, 4615, 5057, 9230, 9725, 10114, 19450, 23075, 25285, 27619, 46150, 50570, 55238, 126425, 138095, 252850, 276190, 359047, 690475, 718094, 1380950, 1795235, 3590470, 8976175, 17952350]

約数ペア:

[(1, 17952350), (2, 8976175), (5, 3590470), (10, 1795235), (13, 1380950), (25, 718094), (26, 690475), (50, 359047), (65, 276190), (71, 252850), (130, 138095), (142, 126425), (325, 55238), (355, 50570), (389, 46150), (650, 27619), (710, 25285), (778, 23075), (923, 19450), (1775, 10114), (1846, 9725), (1945, 9230), (3550, 5057), (3890, 4615)]