309905008

素因数分解:

$2^4\times 7^2\times {\mathrm{395287}}^1$

素因数の和:395309

約数の個数: 30

約数和(自身を含む): 698473896

約数和(自身を除く): 388568888

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 395287, 790574, 1581148, 2767009, 3162296, 5534018, 6324592, 11068036, 19369063, 22136072, 38738126, 44272144, 77476252, 154952504, 309905008]

約数ペア:

[(1, 309905008), (2, 154952504), (4, 77476252), (7, 44272144), (8, 38738126), (14, 22136072), (16, 19369063), (28, 11068036), (49, 6324592), (56, 5534018), (98, 3162296), (112, 2767009), (196, 1581148), (392, 790574), (784, 395287)]