384440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1373}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 989280

約数和(自身を除く): 604840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1373, 2746, 5492, 6865, 9611, 10984, 13730, 19222, 27460, 38444, 48055, 54920, 76888, 96110, 192220, 384440]

約数ペア:

[(1, 384440), (2, 192220), (4, 96110), (5, 76888), (7, 54920), (8, 48055), (10, 38444), (14, 27460), (20, 19222), (28, 13730), (35, 10984), (40, 9611), (56, 6865), (70, 5492), (140, 2746), (280, 1373)]