8142990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3823}}^1$

素因数の和:3904

約数の個数: 32

約数和(自身を含む): 19823616

約数和(自身を除く): 11680626

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 3823, 7646, 11469, 19115, 22938, 38230, 57345, 114690, 271433, 542866, 814299, 1357165, 1628598, 2714330, 4071495, 8142990]

約数ペア:

[(1, 8142990), (2, 4071495), (3, 2714330), (5, 1628598), (6, 1357165), (10, 814299), (15, 542866), (30, 271433), (71, 114690), (142, 57345), (213, 38230), (355, 22938), (426, 19115), (710, 11469), (1065, 7646), (2130, 3823)]