168398440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{601423}}^1$

素因数の和:601441

約数の個数: 32

約数和(自身を含む): 433025280

約数和(自身を除く): 264626840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 601423, 1202846, 2405692, 3007115, 4209961, 4811384, 6014230, 8419922, 12028460, 16839844, 21049805, 24056920, 33679688, 42099610, 84199220, 168398440]

約数ペア:

[(1, 168398440), (2, 84199220), (4, 42099610), (5, 33679688), (7, 24056920), (8, 21049805), (10, 16839844), (14, 12028460), (20, 8419922), (28, 6014230), (35, 4811384), (40, 4209961), (56, 3007115), (70, 2405692), (140, 1202846), (280, 601423)]