317992000

素因数分解:

$2^6\times 5^3\times {\mathrm{39749}}^1$

素因数の和:39776

約数の個数: 56

約数和(自身を含む): 787527000

約数和(自身を除く): 469535000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 800, 1000, 1600, 2000, 4000, 8000, 39749, 79498, 158996, 198745, 317992, 397490, 635984, 794980, 993725, 1271968, 1589960, 1987450, 2543936, 3179920, 3974900, 4968625, 6359840, 7949800, 9937250, 12719680, 15899600, 19874500, 31799200, 39749000, 63598400, 79498000, 158996000, 317992000]

約数ペア:

[(1, 317992000), (2, 158996000), (4, 79498000), (5, 63598400), (8, 39749000), (10, 31799200), (16, 19874500), (20, 15899600), (25, 12719680), (32, 9937250), (40, 7949800), (50, 6359840), (64, 4968625), (80, 3974900), (100, 3179920), (125, 2543936), (160, 1987450), (200, 1589960), (250, 1271968), (320, 993725), (400, 794980), (500, 635984), (800, 397490), (1000, 317992), (1600, 198745), (2000, 158996), (4000, 79498), (8000, 39749)]