143942840

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{25889}}^1$

素因数の和:26039

約数の個数: 32

約数和(自身を含む): 326214000

約数和(自身を除く): 182271160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 25889, 51778, 103556, 129445, 207112, 258890, 517780, 1035560, 3598571, 7197142, 14394284, 17992855, 28788568, 35985710, 71971420, 143942840]

約数ペア:

[(1, 143942840), (2, 71971420), (4, 35985710), (5, 28788568), (8, 17992855), (10, 14394284), (20, 7197142), (40, 3598571), (139, 1035560), (278, 517780), (556, 258890), (695, 207112), (1112, 129445), (1390, 103556), (2780, 51778), (5560, 25889)]