42398440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{151423}}^1$

素因数の和:151441

約数の個数: 32

約数和(自身を含む): 109025280

約数和(自身を除く): 66626840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 151423, 302846, 605692, 757115, 1059961, 1211384, 1514230, 2119922, 3028460, 4239844, 5299805, 6056920, 8479688, 10599610, 21199220, 42398440]

約数ペア:

[(1, 42398440), (2, 21199220), (4, 10599610), (5, 8479688), (7, 6056920), (8, 5299805), (10, 4239844), (14, 3028460), (20, 2119922), (28, 1514230), (35, 1211384), (40, 1059961), (56, 757115), (70, 605692), (140, 302846), (280, 151423)]