915620020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{89591}}^1$

素因数の和:89680

約数の個数: 48

約数和(自身を含む): 2227615488

約数和(自身を除く): 1311995468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 89591, 179182, 358364, 447955, 627137, 895910, 1254274, 1791820, 2508548, 3135685, 6271370, 6540143, 12542740, 13080286, 26160572, 32700715, 45781001, 65401430, 91562002, 130802860, 183124004, 228905005, 457810010, 915620020]

約数ペア:

[(1, 915620020), (2, 457810010), (4, 228905005), (5, 183124004), (7, 130802860), (10, 91562002), (14, 65401430), (20, 45781001), (28, 32700715), (35, 26160572), (70, 13080286), (73, 12542740), (140, 6540143), (146, 6271370), (292, 3135685), (365, 2508548), (511, 1791820), (730, 1254274), (1022, 895910), (1460, 627137), (2044, 447955), (2555, 358364), (5110, 179182), (10220, 89591)]