7998970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{499}}^1$

素因数の和:742

約数の個数: 32

約数和(自身を含む): 16560000

約数和(自身を除く): 8561030

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 229, 458, 499, 998, 1145, 1603, 2290, 2495, 3206, 3493, 4990, 6986, 8015, 16030, 17465, 34930, 114271, 228542, 571355, 799897, 1142710, 1599794, 3999485, 7998970]

約数ペア:

[(1, 7998970), (2, 3999485), (5, 1599794), (7, 1142710), (10, 799897), (14, 571355), (35, 228542), (70, 114271), (229, 34930), (458, 17465), (499, 16030), (998, 8015), (1145, 6986), (1603, 4990), (2290, 3493), (2495, 3206)]