400420804

素因数分解:

$2^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{74873}}^1$

素因数の和:75075

約数の個数: 24

約数和(自身を含む): 805045248

約数和(自身を除く): 404624444

約数列:

[1, 2, 4, 7, 14, 28, 191, 382, 764, 1337, 2674, 5348, 74873, 149746, 299492, 524111, 1048222, 2096444, 14300743, 28601486, 57202972, 100105201, 200210402, 400420804]

約数ペア:

[(1, 400420804), (2, 200210402), (4, 100105201), (7, 57202972), (14, 28601486), (28, 14300743), (191, 2096444), (382, 1048222), (764, 524111), (1337, 299492), (2674, 149746), (5348, 74873)]