144473840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{257989}}^1$

素因数の和:258009

約数の個数: 40

約数和(自身を含む): 383889120

約数和(自身を除く): 239415280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 257989, 515978, 1031956, 1289945, 1805923, 2063912, 2579890, 3611846, 4127824, 5159780, 7223692, 9029615, 10319560, 14447384, 18059230, 20639120, 28894768, 36118460, 72236920, 144473840]

約数ペア:

[(1, 144473840), (2, 72236920), (4, 36118460), (5, 28894768), (7, 20639120), (8, 18059230), (10, 14447384), (14, 10319560), (16, 9029615), (20, 7223692), (28, 5159780), (35, 4127824), (40, 3611846), (56, 2579890), (70, 2063912), (80, 1805923), (112, 1289945), (140, 1031956), (280, 515978), (560, 257989)]