253673840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{452989}}^1$

素因数の和:453009

約数の個数: 40

約数和(自身を含む): 674049120

約数和(自身を除く): 420375280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 452989, 905978, 1811956, 2264945, 3170923, 3623912, 4529890, 6341846, 7247824, 9059780, 12683692, 15854615, 18119560, 25367384, 31709230, 36239120, 50734768, 63418460, 126836920, 253673840]

約数ペア:

[(1, 253673840), (2, 126836920), (4, 63418460), (5, 50734768), (7, 36239120), (8, 31709230), (10, 25367384), (14, 18119560), (16, 15854615), (20, 12683692), (28, 9059780), (35, 7247824), (40, 6341846), (56, 4529890), (70, 3623912), (80, 3170923), (112, 2264945), (140, 1811956), (280, 905978), (560, 452989)]