131435770

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1\times {\mathrm{449}}^1$

素因数の和:930

約数の個数: 32

約数和(自身を含む): 240958800

約数和(自身を除く): 109523030

約数列:

[1, 2, 5, 10, 73, 146, 365, 401, 449, 730, 802, 898, 2005, 2245, 4010, 4490, 29273, 32777, 58546, 65554, 146365, 163885, 180049, 292730, 327770, 360098, 900245, 1800490, 13143577, 26287154, 65717885, 131435770]

約数ペア:

[(1, 131435770), (2, 65717885), (5, 26287154), (10, 13143577), (73, 1800490), (146, 900245), (365, 360098), (401, 327770), (449, 292730), (730, 180049), (802, 163885), (898, 146365), (2005, 65554), (2245, 58546), (4010, 32777), (4490, 29273)]