249920240

素因数分解:

$2^4\times 5^1\times {\mathrm{1451}}^1\times {\mathrm{2153}}^1$

素因数の和:3617

約数の個数: 40

約数和(自身を含む): 581735088

約数和(自身を除く): 331814848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1451, 2153, 2902, 4306, 5804, 7255, 8612, 10765, 11608, 14510, 17224, 21530, 23216, 29020, 34448, 43060, 58040, 86120, 116080, 172240, 3124003, 6248006, 12496012, 15620015, 24992024, 31240030, 49984048, 62480060, 124960120, 249920240]

約数ペア:

[(1, 249920240), (2, 124960120), (4, 62480060), (5, 49984048), (8, 31240030), (10, 24992024), (16, 15620015), (20, 12496012), (40, 6248006), (80, 3124003), (1451, 172240), (2153, 116080), (2902, 86120), (4306, 58040), (5804, 43060), (7255, 34448), (8612, 29020), (10765, 23216), (11608, 21530), (14510, 17224)]