86876440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{310273}}^1$

素因数の和:310291

約数の個数: 32

約数和(自身を含む): 223397280

約数和(自身を除く): 136520840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 310273, 620546, 1241092, 1551365, 2171911, 2482184, 3102730, 4343822, 6205460, 8687644, 10859555, 12410920, 17375288, 21719110, 43438220, 86876440]

約数ペア:

[(1, 86876440), (2, 43438220), (4, 21719110), (5, 17375288), (7, 12410920), (8, 10859555), (10, 8687644), (14, 6205460), (20, 4343822), (28, 3102730), (35, 2482184), (40, 2171911), (56, 1551365), (70, 1241092), (140, 620546), (280, 310273)]