28146440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{100523}}^1$

素因数の和:100541

約数の個数: 32

約数和(自身を含む): 72377280

約数和(自身を除く): 44230840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 100523, 201046, 402092, 502615, 703661, 804184, 1005230, 1407322, 2010460, 2814644, 3518305, 4020920, 5629288, 7036610, 14073220, 28146440]

約数ペア:

[(1, 28146440), (2, 14073220), (4, 7036610), (5, 5629288), (7, 4020920), (8, 3518305), (10, 2814644), (14, 2010460), (20, 1407322), (28, 1005230), (35, 804184), (40, 703661), (56, 502615), (70, 402092), (140, 201046), (280, 100523)]