1556000

素因数分解:

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

素因数の和:414

約数の個数: 48

約数和(自身を含む): 3832920

約数和(自身を除く): 2276920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 389, 400, 500, 778, 800, 1000, 1556, 1945, 2000, 3112, 3890, 4000, 6224, 7780, 9725, 12448, 15560, 19450, 31120, 38900, 48625, 62240, 77800, 97250, 155600, 194500, 311200, 389000, 778000, 1556000]

約数ペア:

[(1, 1556000), (2, 778000), (4, 389000), (5, 311200), (8, 194500), (10, 155600), (16, 97250), (20, 77800), (25, 62240), (32, 48625), (40, 38900), (50, 31120), (80, 19450), (100, 15560), (125, 12448), (160, 9725), (200, 7780), (250, 6224), (389, 4000), (400, 3890), (500, 3112), (778, 2000), (800, 1945), (1000, 1556)]