31926020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{499}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 76944000

約数和(自身を除く): 45017980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 457, 499, 914, 998, 1828, 1996, 2285, 2495, 3199, 3493, 4570, 4990, 6398, 6986, 9140, 9980, 12796, 13972, 15995, 17465, 31990, 34930, 63980, 69860, 228043, 456086, 912172, 1140215, 1596301, 2280430, 3192602, 4560860, 6385204, 7981505, 15963010, 31926020]

約数ペア:

[(1, 31926020), (2, 15963010), (4, 7981505), (5, 6385204), (7, 4560860), (10, 3192602), (14, 2280430), (20, 1596301), (28, 1140215), (35, 912172), (70, 456086), (140, 228043), (457, 69860), (499, 63980), (914, 34930), (998, 31990), (1828, 17465), (1996, 15995), (2285, 13972), (2495, 12796), (3199, 9980), (3493, 9140), (4570, 6986), (4990, 6398)]