277392520

素因数分解:

$2^3\times 5^1\times {\mathrm{2153}}^1\times {\mathrm{3221}}^1$

素因数の和:5385

約数の個数: 32

約数和(自身を含む): 624616920

約数和(自身を除く): 347224400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2153, 3221, 4306, 6442, 8612, 10765, 12884, 16105, 17224, 21530, 25768, 32210, 43060, 64420, 86120, 128840, 6934813, 13869626, 27739252, 34674065, 55478504, 69348130, 138696260, 277392520]

約数ペア:

[(1, 277392520), (2, 138696260), (4, 69348130), (5, 55478504), (8, 34674065), (10, 27739252), (20, 13869626), (40, 6934813), (2153, 128840), (3221, 86120), (4306, 64420), (6442, 43060), (8612, 32210), (10765, 25768), (12884, 21530), (16105, 17224)]