558880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{499}}^1$

素因数の和:521

約数の個数: 48

約数和(自身を含む): 1512000

約数和(自身を除く): 953120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 499, 560, 998, 1120, 1996, 2495, 3493, 3992, 4990, 6986, 7984, 9980, 13972, 15968, 17465, 19960, 27944, 34930, 39920, 55888, 69860, 79840, 111776, 139720, 279440, 558880]

約数ペア:

[(1, 558880), (2, 279440), (4, 139720), (5, 111776), (7, 79840), (8, 69860), (10, 55888), (14, 39920), (16, 34930), (20, 27944), (28, 19960), (32, 17465), (35, 15968), (40, 13972), (56, 9980), (70, 7984), (80, 6986), (112, 4990), (140, 3992), (160, 3493), (224, 2495), (280, 1996), (499, 1120), (560, 998)]