505166740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47389}}^1$

素因数の和:47452

約数の個数: 48

約数和(自身を含む): 1170343440

約数和(自身を除く): 665176700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 10660, 47389, 94778, 189556, 236945, 473890, 616057, 947780, 1232114, 1942949, 2464228, 3080285, 3885898, 6160570, 7771796, 9714745, 12321140, 19429490, 25258337, 38858980, 50516674, 101033348, 126291685, 252583370, 505166740]

約数ペア:

[(1, 505166740), (2, 252583370), (4, 126291685), (5, 101033348), (10, 50516674), (13, 38858980), (20, 25258337), (26, 19429490), (41, 12321140), (52, 9714745), (65, 7771796), (82, 6160570), (130, 3885898), (164, 3080285), (205, 2464228), (260, 1942949), (410, 1232114), (533, 947780), (820, 616057), (1066, 473890), (2132, 236945), (2665, 189556), (5330, 94778), (10660, 47389)]