8947000

素因数分解:

$2^3\times 5^3\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:433

約数の個数: 64

約数和(自身を含む): 21902400

約数和(自身を除く): 12955400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 125, 184, 200, 230, 250, 389, 460, 500, 575, 778, 920, 1000, 1150, 1556, 1945, 2300, 2875, 3112, 3890, 4600, 5750, 7780, 8947, 9725, 11500, 15560, 17894, 19450, 23000, 35788, 38900, 44735, 48625, 71576, 77800, 89470, 97250, 178940, 194500, 223675, 357880, 389000, 447350, 894700, 1118375, 1789400, 2236750, 4473500, 8947000]

約数ペア:

[(1, 8947000), (2, 4473500), (4, 2236750), (5, 1789400), (8, 1118375), (10, 894700), (20, 447350), (23, 389000), (25, 357880), (40, 223675), (46, 194500), (50, 178940), (92, 97250), (100, 89470), (115, 77800), (125, 71576), (184, 48625), (200, 44735), (230, 38900), (250, 35788), (389, 23000), (460, 19450), (500, 17894), (575, 15560), (778, 11500), (920, 9725), (1000, 8947), (1150, 7780), (1556, 5750), (1945, 4600), (2300, 3890), (2875, 3112)]